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Omega Seamaster

The Omega Seamaster is an iconic line of luxury sport and dive watches produced by the Swiss watchmaker Omega SA, first introduced in 1948 to mark the company's centenary.^[1] Drawing from Omega's expertise in crafting military timepieces during World War II, the original Seamaster was engineered for rugged reliability, superior water resistance, and versatility across environments—from urban wear to maritime and aerial challenges.^[1] This foundational model set the stage for a collection that combines precision engineering with elegant design, becoming synonymous with adventure and innovation in Swiss horology.^[2] Over its 77-year history (as of 2025), the Seamaster has undergone significant evolutions, adapting to technological advancements while preserving its core attributes of durability and functionality.^[2] Key milestones include the 1957 launch of the Seamaster 300, one of the first watches designed for professional divers with a water resistance of 300 meters, and subsequent models like the Railmaster for anti-magnetic protection.^[3] The collection now encompasses diverse sub-lines, such as the Diver 300M for high-performance underwater exploration, the Planet Ocean for extreme deep-sea capabilities up to 600 meters, the Aqua Terra 150M blending nautical aesthetics with everyday elegance, and Heritage Models that pay homage to vintage designs.^[2] In 2023, to celebrate the 75th anniversary, Omega released special editions with "Summer Blue" dials across various Seamaster models.^[2] These timepieces feature cutting-edge elements like Co-Axial escapements, Master Chronometer certification for precision and anti-magnetism, and materials such as grade 5 titanium or ceramic bezels, ensuring resistance to shocks, extreme temperatures, and magnetic fields up to 15,000 gauss.^[2] Beyond its technical prowess, the Seamaster holds a prominent place in popular culture and horological legacy, notably as the official watch of James Bond since the 1995 film GoldenEye, where its robustness suited the spy's high-stakes adventures.^[4] Worn by divers, sailors, military personnel, and executives alike, the collection reflects Omega's commitment to Olympic timekeeping heritage and space exploration, underscoring its role as a bridge between heritage craftsmanship and modern innovation.^[5]

History

Origins and Early Development

The Omega Seamaster line originated in 1948, coinciding with the brand's 100th anniversary, as a robust waterproof timepiece drawing on Omega's wartime experience supplying military watches to Allied forces, including the British Royal Navy.^[1]^[6] The initial models featured stainless steel cases and employed an innovative O-ring gasket system for sealing the case back and crown, enhancing water resistance beyond typical civilian watches of the era while maintaining a sleek, versatile design suitable for everyday and professional use.^[7]^[6] These early Seamasters also utilized acrylic crystals for durability under pressure and radium-based luminous material on dials and hands for low-light visibility, though lume transitioned to safer tritium in later productions.^[8] This launch built upon Omega's prior innovations in waterproof horology, particularly the 1932 Omega Marine, recognized as the first commercially available dive watch.^[9] The Marine employed a patented double-case construction sealed with cork gaskets, achieving a tested depth of 73 meters in Lake Geneva in 1936 and official certification to 135 meters by the Swiss Laboratory for Horology in 1937, setting a benchmark for underwater timekeeping that informed the Seamaster's development.^[9]^[10] Early validation of the Seamaster's capabilities came through rigorous testing, including a 1955 dive to 62.5 meters by Australian explorer Gordon McLean, establishing a record for the model at the time.^[11] Building on this foundation, Omega introduced the Seamaster 300 in 1957 as its inaugural dedicated professional dive watch, officially rated to 200 meters of water resistance though tested to 300 meters (from which it derived its name), and featuring broad arrow-style hands and markers inspired by British military specifications for enhanced legibility in demanding conditions.^[12]^[13]^[14]

Mid-Century Expansion and Innovations

In 1957, Omega launched its Professional collection, comprising the Speedmaster, Seamaster 300, and Railmaster, which collectively established the brand's reputation for robust, purpose-built timepieces tailored to demanding professions.^[15] The Seamaster 300, in particular, advanced the line's diving heritage with its official 200-meter water resistance rating (though tested to 300 meters) and legible dial design, building on earlier O-ring sealing innovations from the 1940s.^[16]^[12] This trilogy marked a pivotal expansion, diversifying Omega's offerings beyond dress watches into specialized tools for pilots, divers, and engineers exposed to extreme conditions.^[15] The 1970s saw further diversification with the introduction of the Plongeurs Professionnels (PloProf) series, designed in collaboration with the French diving company COMEX for saturation divers. The Seamaster 600, released in 1970, featured a pioneering monobloc case that eliminated traditional lugs for enhanced structural integrity and achieved 600 meters of water resistance without a helium escape valve, relying instead on its airtight construction to prevent gas ingress during deep-sea operations.^[16] In 1971, Omega followed with the Seamaster 1000, rated to 1,000 meters, which extended these monobloc principles to even greater depths while incorporating automatic movements for reliability in professional environments.^[17] These models exemplified Omega's focus on extreme durability, with the PloProf's asymmetrical case and protective crown guard becoming hallmarks of the era's engineering advancements.^[18] Amid the quartz crisis of the 1970s and 1980s, which challenged the Swiss watch industry, Omega recovered by integrating quartz technology into the Seamaster line, producing models that blended electronic precision with the collection's waterproof ethos to meet evolving consumer demands.^[16] By the early 1990s, mechanical innovations resurfaced prominently with the 1993 debut of the Diver 300M, a professional-grade watch offering 300 meters of water resistance, a unidirectional aluminum bezel for dive timing, and distinctive wave-pattern dials evoking oceanic motifs.^[19] This model signified a strategic pivot toward accessible luxury divers, incorporating helium escape valves for saturation diving compatibility. In 1995, the Seamaster gained cultural prominence when selected as the timepiece for James Bond in the film GoldenEye, underscoring its blend of style and functionality.^[20] Key innovations during this period included enhanced anti-magnetic shielding in Railmaster variants, which utilized soft iron inner cases to protect movements from fields up to 1,000 gauss, an evolution from the 1957 original tailored for railway and laboratory workers.^[21] The line also expanded into chronographs, starting with early 1958 models and culminating in the 1990s Seamaster Professional Chronograph Diver, which added timing functions to the waterproof framework without compromising dive capabilities.^[22] These developments solidified the Seamaster's versatility, bridging professional utility with broader market appeal through the late 20th century.^[16]

Design and Features

Case Construction and Water Resistance

The Omega Seamaster line features cases primarily constructed from 316L stainless steel, valued for its corrosion resistance and polished finish that enhances durability in marine environments.^[23] Alternative materials include grade 5 titanium for lighter weight and strength, black ceramic for scratch resistance, and OMEGA's proprietary 18K Sedna™ gold or 9K Bronze Gold alloys for premium variants, with the latter introduced in 2025 to offer a warm patina that develops over time while maintaining corrosion resistance.^[24]^[25] Case diameters vary to suit different models and wearers, ranging from 36 mm in heritage-inspired pieces to 45 mm in robust diver variants like the Planet Ocean, ensuring versatility from everyday wear to professional diving.^[26]^[27] Water resistance across the Seamaster collection spans from 150 meters in the Aqua Terra models, suitable for surface water activities, to 600 meters in the standard Planet Ocean for deep-sea exploration, and up to 1,200 meters in the PloProf for extreme saturation diving.^[28]^[29] Specialized iterations, such as the Planet Ocean Ultra Deep, achieve 6,000 meters through rigorous real-ocean testing.^[30] Dive-oriented models comply with ISO 6425 standards, which mandate legibility, shock resistance, and pressure testing at 125% of rated depth to ensure reliability under compression.^[31] Key sealing mechanisms include screw-down crowns that secure the winding system against water ingress, multi-layered gaskets around the case joints for compression sealing, and helium escape valves introduced in the 1970s for models used in saturation diving, allowing trapped helium atoms to release during decompression without compromising the case integrity.^[32]^[33] In 2025 Bronze Gold models, the alloy's composition supports enhanced gasket performance in corrosive saltwater conditions.^[34] These features integrate briefly with unidirectional bezels to facilitate safe dive timing without altering the primary focus on case sealing.^[35] Construction techniques emphasize pressure resistance, such as the monobloc case design in the PloProf, machined from a single block of O-MEGASTEEL—a high-strength stainless steel variant—for seamless joints that withstand extreme depths without weak points.^[36] Modern Seamaster variants often incorporate exhibition casebacks with sapphire crystals, revealing the movement while maintaining water resistance through precise threading and O-ring seals.^[37] All cases undergo immersion testing up to their rated pressure, ensuring structural integrity for professional and recreational use.^[38]

Dial, Bezel, and Aesthetic Elements

The dials of the Omega Seamaster feature luminous indices that have evolved from early radioactive materials to modern non-radioactive compounds for enhanced safety and legibility. In vintage models from the mid-20th century, such as the Seamaster 300 introduced in 1957, the indices and hands were coated with radium until approximately the early 1960s, after which tritium became the standard luminous material.^[39]^[40] Contemporary Seamaster dials, including those in the Diver 300M and Aqua Terra lines, employ Super-LumiNova, a photoluminescent compound that provides superior glow duration and brightness without radioactivity, ensuring clear visibility in low-light conditions during diving or daily use.^[26] Distinctive dial patterns contribute to the Seamaster's nautical aesthetic, particularly in the Aqua Terra collection launched in 2002 as a versatile extension of the Seamaster family. The collection's signature teak dial pattern, inspired by the wooden decks of luxury yachts and introduced in 2017 for the model's 15th anniversary, features horizontal grooves that evoke maritime heritage while improving light play across the surface.^[41]^[42] Wave-engraved dials appear in models like the Diver 300M, adding texture and depth to the black, blue, or silver backgrounds, often paired with a date window positioned at 6 o'clock for balanced symmetry and practical functionality.^[26] The bezel serves as a critical navigational tool in Seamaster dive watches, typically featuring a unidirectional rotating design to prevent accidental overestimation of elapsed dive time. Constructed from durable materials like ceramic or aluminum, the bezel includes a 60-minute scale with prominent enamel or Super-LumiNova-filled markers, such as a triangular pip at 12 o'clock, allowing precise timing of submersion durations up to one hour.^[26] For added scratch resistance, many bezels incorporate Liquidmetal inserts—a proprietary titanium-based alloy—ensuring longevity in harsh underwater environments without compromising the scale's readability.^[43] Hands and markers on the Seamaster prioritize precision and visibility, with sword-shaped hour and minute hands that taper to a sharp point for accurate time reading, a design echoed in models like the 1990s-era Professional 300M.^[44] Hour markers often adopt a Mercedes-style configuration with three faceted points on the primary indices at 12, 3, 6, and 9 o'clock, complemented by applied polished indices elsewhere for a three-dimensional effect and elevated craftsmanship.^[45] Dial and hand color options span classic blue and black for professional appeal, with recent 2025 Diver 300M variants introducing vibrant orange accents on the seconds hand, quarter-hour markers, and Seamaster branding to inject modern energy while maintaining legibility.^[46] Aesthetic elements of the Seamaster have progressed from the minimalist dials of the 1950s, which emphasized clean, elegant layouts suitable for dressier occasions with simple printed indices and subtle branding, to more intricate modern interpretations.^[47] By the late 20th century, dials incorporated wave motifs and luminous enhancements for dive utility, evolving further in the 21st century with skeletonized variants in the Diver 300M collection that expose portions of the movement for a contemporary, open-worked appeal.^[48] These developments reflect Omega's commitment to blending heritage simplicity with innovative visual depth, enhancing both style and functionality across the line.

Movements

Traditional Mechanical Calibers

The traditional mechanical calibers powering early Omega Seamaster watches were renowned for their robust construction and reliability, forming the backbone of the line's reputation for precision timekeeping in demanding environments. Introduced with the Seamaster's launch in 1948, the manual-wind Caliber 30T2 featured 17 jewels and operated at 18,000 vibrations per hour (vph), delivering dependable performance through a simple yet durable design that emphasized manual adjustments for optimal accuracy. By the 1950s, Omega transitioned to automatic movements, exemplified by the Caliber 354, a self-winding mechanism with 17 jewels and a beat rate of 19,800 vph, which incorporated a central rotor for efficient winding and enhanced everyday usability without compromising the caliber's inherent stability.^[49] Advancements in the late 1950s through the 1970s further refined these movements for specialized applications within the Seamaster family. The Caliber 501, introduced in 1957 for models like the Seamaster 300, utilized a central bidirectional rotor for automatic winding, housed 19 jewels, and beat at 19,800 vph, contributing to its reputation for robust reliability under stress thanks to Incabloc shock protection.^[50] Similarly, the Caliber 752, employed in the 1970s PloProf variant, offered 24 jewels, a 19,800 vph frequency, and shock resistance enhanced by a Glucydur balance wheel made from a durable beryllium-copper alloy, ensuring consistent operation in high-impact scenarios.^[51] These calibers typically provided a power reserve of 40 to 48 hours, allowing for reliable daily wear while maintaining the mechanical integrity essential to Omega's heritage. Since the 1950s, many Seamaster calibers underwent chronometer certification by the Contrôle Officiel Suisse des Chronomètres (COSC), adhering to standards that guaranteed precision within -4 to +6 seconds per day after rigorous testing in multiple positions and temperatures.^[52] To sustain this level of accuracy, traditional mechanical movements required service intervals of 3 to 5 years, involving disassembly, lubrication, and manual regulator adjustments to counteract wear and environmental factors.^[53] These foundational designs laid the groundwork for subsequent innovations in Omega's movement technology.

Co-Axial Escapement and Certifications

The Co-Axial escapement, a pivotal innovation in Omega's Seamaster movements, was developed by British watchmaker George Daniels, who invented it in 1974 and patented it in 1980.^[54] Omega introduced this technology commercially in 1999, debuting it in the Caliber 2500, an automatic movement based on the ETA 2892-A2 with a 3/4 plate design, 27 jewels, a beat rate of 25,200 vibrations per hour, and a 48-hour power reserve.^[55]^[56] The escapement's radial impulse mechanism minimizes friction between components by employing smaller contact surfaces and delivering energy radially rather than tangentially, which reduces the need for lubrication and enhances long-term accuracy and reliability.^[57] In 2014, Omega advanced the Co-Axial technology with the Master Co-Axial upgrade, exemplified by the Caliber 8508, introduced the prior year in 2013 as the brand's first fully anti-magnetic movement.^[58]^[59] This caliber incorporates the Si14 silicon balance spring—first unveiled by Omega in 2008 for its resistance to magnetism and temperature variations—along with non-ferrous materials throughout the movement to achieve resistance to magnetic fields exceeding 15,000 gauss.^[60]^[61] These enhancements build on the original Co-Axial design to improve stability and durability, particularly in demanding environments suited to the Seamaster's dive heritage. The Master Chronometer certification, launched by Omega in collaboration with the Swiss Federal Institute of Metrology (METAS) in 2015, represents the pinnacle of these advancements.^[62] Movements earning this certification must first pass COSC chronometer standards before undergoing eight additional METAS tests, ensuring daily accuracy of ±0 to +5 seconds, operational integrity in magnetic fields up to 15,000 gauss, and verified 10-bar water resistance under simulated daily wear conditions.^[52]^[62] By 2025, these technologies continue to evolve in Seamaster models, such as the new Bronze Gold Diver 300M variants featuring the Caliber 8806, which integrates an advanced silicon balance spring for superior longevity and magnetic resistance while maintaining Master Chronometer certification.^[63] This movement, with its 55-hour power reserve and Co-Axial escapement, underscores Omega's ongoing refinement of non-ferrous silicon components to ensure precision over extended periods.^[63]

Model Lines

Professional Diver Models

The Omega Seamaster professional diver models represent the pinnacle of the line's rugged capabilities, engineered for extreme underwater conditions with water resistance exceeding 300 meters and robust constructions suited to professional use. These watches draw from the Seamaster's heritage of reliability in aquatic environments, incorporating advanced materials and certifications to meet the demands of saturation diving and deep-sea exploration.^[2] The PloProf series, short for Plongeurs Professionnels, originated in 1971 as the Seamaster 1200M, developed in collaboration with French diving firm COMEX to withstand pressures at depths up to 1,200 meters.^[18] This original featured a distinctive 55mm x 48mm mono-bloc case in Uranus steel (a high-strength alloy), an orange dial for high visibility, a locking bezel mechanism activated by a button at 2 o'clock, and an automatic helium escape valve, making it one of the most specialized dive watches of its era.^[64] In 2016, Omega reissued the PloProf for its 45th anniversary, updating it with a titanium case option and the Co-Axial Master Chronometer Calibre 8912, a no-date automatic movement with 60-hour power reserve and anti-magnetic resistance up to 15,000 gauss, while retaining the 1,200-meter water resistance and iconic design elements.^[18]^[65] Launched in 1993, the Seamaster Diver 300M quickly became a benchmark for professional divers, introducing a helium escape valve to safely release gases during saturation dives and a laser-ablated wave-pattern dial evoking ocean waves, paired with a unidirectional rotating bezel for timing immersion.^[26]^[66] The 2018 redesign refined the model to a 42mm stainless steel case, incorporating a ceramic bezel and dial for enhanced durability and legibility, powered by the in-house Calibre 8800—a Master Chronometer-certified automatic movement offering 55-hour power reserve and 300-meter water resistance.^[67] In 2025, Omega introduced a Bronze Gold variant of the Diver 300M, featuring a 42mm case in the brand's proprietary 9K Bronze Gold alloy for a warm patina over time, a burgundy anodized aluminum bezel with vintage-style dive scale, and the same 300-meter rating, emphasizing luxury alongside functionality.^[34]^[68] The Seamaster Planet Ocean debuted in 2005 as a versatile deep-diving tool, boasting 600-meter water resistance and a Liquidmetal™-coated ceramic bezel for scratch resistance and precise dive timing, available in sizes from 39.5mm to 45.5mm with automatic Co-Axial movements.^[27]^[69] In 2019, the Planet Ocean Ultra Deep variant pushed boundaries with a 6,000-meter rating, tested in the Mariana Trench during explorer Victor Vescovo's dive to 10,928 meters, with prototype watches attached to the submersible; its helium-proof titanium case and proprietary O-MEGASTEEL™ alloy ensure integrity under extreme pressure.^[30] For 2025, marking the collection's 20th anniversary, Omega introduced the Planet Ocean Worldtimer models, featuring turquoise or monochromatic dials in a 45.5mm steel case with 600-meter resistance, powered by the Master Chronometer Calibre 8938.^[69]^[27] Across these professional diver models, common attributes include ISO 6425 certification for dive watches, ensuring shock resistance, legibility, and operational reliability underwater; Master Chronometer certification by METAS for precision within -0/+5 seconds per day and magnetic resistance; and strap options like durable rubber or NATO for secure, comfortable wear during dives.^[26]^[70]

Contemporary and Heritage Collections

The Omega Seamaster Aqua Terra collection, introduced in 2002, represents a versatile evolution within the Seamaster lineup, blending maritime heritage with everyday elegance.^[28] Initial models featured stainless steel cases in 36mm and 42mm sizes, paired with leather straps, and offered 150 meters of water resistance suitable for recreational use.^[71] Signature elements include horizontally striped dials inspired by the teak decks of luxury yachts, providing a textured, nautical aesthetic that distinguishes the line from more robust diver models.^[28] Early iterations utilized automatic movements, with later versions incorporating the Co-Axial Calibre 8500 for enhanced precision and anti-magnetic properties up to 15,000 gauss.^[72] In recent years, the Aqua Terra has seen refinements emphasizing modern versatility, including 41mm cases with updated dial options. For 2025, new variants introduce vibrant turquoise dials on the 41mm models, maintaining the teak pattern while offering cleaner lines for daily wear, available on steel bracelets or rubber straps.^[73] These models retain 150 meters of water resistance, screw-down crowns, and Master Chronometer certification, prioritizing comfort and style over extreme diving capabilities.^[28] Omega's heritage reissues pay homage to the Seamaster's postwar roots, reviving mid-20th-century designs with contemporary mechanical advancements. The Seamaster 1948, launched in 2018 to mark the 70th anniversary of the original, features a 38mm stainless steel case with an opaline silver dial, Dauphine hands, and a central seconds hand, limited to 1,948 pieces.^[8] Powered by the automatic Calibre 8806, it offers 150 meters of water resistance and a 55-hour power reserve, paired with leather strap options for a refined, non-professional profile.^[74] Complementing this, the 2020 Seamaster 300 reissue updates the 1957 classic with a 41mm case, hesalite crystal for vintage authenticity, and a black dial accented by a vintage Super-LumiNova-filled aluminum bezel.^[75] While rooted in exploration heritage, its 300-meter water resistance is balanced by cleaner aesthetics suitable for broader wear, available on steel bracelets or leather.^[76] Similarly, the Railmaster 1957 reissue, originally designed for antimagnetic protection in industrial settings, arrives in a 40mm stainless steel case with a black dial and railway-inspired typography.^[21] It withstands magnetic fields up to 15,000 gauss via the Master Chronometer Calibre 8806, with 150 meters of water resistance and strap versatility for everyday appeal.^[77] For 2025, Omega introduced the limited-edition Seamaster 37mm Milano Cortina 2026, commemorating the upcoming Winter Olympics with an 18K Moonshine Gold case and a pristine white Grand Feu enamel dial featuring applied gold markers.^[78] Measuring 37mm with a 150-meter water resistance rating, it includes diamond-polished Dauphine hands and a brown leather strap, emphasizing elegant heritage over sporty functionality.^[79] Across these collections, shared features like simplified dials, interchangeable leather and metal bracelets, and moderate water resistance up to 150 meters cater to versatile, non-extreme use, evoking the Seamaster's timeless balance of form and reliability.^[80]

Cultural Significance

James Bond Association

The Omega Seamaster's longstanding association with the James Bond franchise began in 1995 with the film GoldenEye, marking the debut of Pierce Brosnan as 007, who wore the Seamaster Diver 300M Professional quartz model, reference 2541.80.00, featuring a blue wave-pattern dial and a helium escape valve at 10 o'clock.^[81] This watch appeared in underwater scenes, where the helium valve supported Bond's diving activities, and included a fictional remote detonator gadget integrated into the bezel.^[81] In Tomorrow Never Dies (1997), Brosnan's Bond transitioned to the automatic Seamaster Diver 300M Professional Chronometer, reference 2531.80.00, retaining the blue dial and helium valve, which was depicted in action sequences involving a remote grenade detonator.^[81] The same reference reappeared in The World Is Not Enough (1999), showcasing an ultra-bright light and miniature grappling hook gadget, again highlighting the helium valve in underwater escapes.^[81] For Die Another Day (2002), Bond wore another example of the reference 2531.80.00, with the helium valve repurposed as a detonator in diving scenes.^[81] The partnership evolved with Daniel Craig's portrayal starting in Casino Royale (2006), where Bond sported the Seamaster Planet Ocean 600M Co-Axial Chronometer, reference 2900.50.91, on a rubber strap during underwater pursuits, alongside the Seamaster Diver 300M Co-Axial, reference 2220.80.00.^[81] Subsequent Craig films featured variants like the Seamaster Planet Ocean 600M in Quantum of Solace (2008, reference 2201.50.00) and Skyfall (2012, reference 232.30.42.21.01.001), the Seamaster 300 SPECTRE Limited Edition in Spectre (2015, reference 233.32.41.21.01.001, with a black dial, vintage markers, and black/grey NATO strap), and the Seamaster Aqua Terra 150M in select scenes across these entries.^[81] The association concluded in No Time to Die (2021), with Craig's Bond wearing the Seamaster Diver 300M Co-Axial Master Chronometer 007 Edition in titanium, reference 210.90.42.20.01.001, featuring a tropical brown dial, military-style serial engravings on the caseback, and a NATO strap option; the helium valve activated an electromagnetic pulse (EMP) device in underwater action.^[81] Throughout the films, custom elements tailored for Bond included engravings such as military serial numbers and the iconic gun barrel motif on casebacks or dials in limited editions, alongside the recurring helium valve's integration into gadgets for underwater sequences.^[82] This cinematic tie-in has substantially elevated the Seamaster's global popularity, driving demand for Bond-inspired models.^[82] As of 2025, with no new James Bond films in production, Omega maintains marketing tie-ins through anniversary editions, including reissues of the Seamaster Diver 300M James Bond 60th Anniversary model, reference 210.30.42.20.03.002, featuring laser-engraved waves and an animated gun barrel caseback.^[83]

Exploration and Notable Achievements

The Omega Seamaster has been integral to numerous diving milestones, demonstrating its robustness in extreme underwater conditions. In 1955, diver Gordon McLean set a record by descending to 62.5 meters off the Australian coast while wearing a Seamaster, marking one of the earliest documented achievements for the model in professional diving.^[84] More recently, in 2019, explorer Victor Vescovo piloted the Limiting Factor submersible to the Challenger Deep in the Mariana Trench, reaching a depth of 10,928 meters during the Five Deeps Expedition; the Seamaster Planet Ocean Ultra Deep on his wrist functioned flawlessly, establishing a new benchmark for dive watch performance at full ocean pressure.^[85]^[86] Renowned explorers and military personnel have relied on the Seamaster for decades, underscoring its reliability in real-world operations. French oceanographer Jacques-Yves Cousteau and his team equipped Seamaster 300 watches during 1960s expeditions, including the Precontinent II underwater habitat experiment in the Red Sea in 1963, where the timepieces endured prolonged submersion and pressure.^[87]^[88] Since its 1948 introduction, the Seamaster has been issued to British Royal Navy divers, with military variants like the 1960s Seamaster 300 (ref. 165.024) supplied by the UK Ministry of Defence for clearance and combat swimmer roles, adhering to strict MIL-SPEC standards.^[80]^[89] The Seamaster's versatility extends to professional saturation diving and broader achievements in sports and exploration. Equipped with a helium escape valve, it allows helium atoms to vent during decompression in hyperbaric chambers, making it a preferred choice for saturation divers working extended periods under mixed-gas atmospheres.^[90] As Omega's official role as Olympic timekeeper began in 1932, Seamaster models have commemorated events like the 2024 Paris Games with special editions, while 2025 updates to the Planet Ocean line, such as the Worldtimer models with water resistance up to 600 meters, support extreme sports such as deep-sea submersible operations and adventure racing. In 2025, Omega introduced the Seamaster Milano Cortina 2026, a 37mm model in Moonshine™ gold commemorating the 2026 Winter Olympics, with 100m water resistance and Master Chronometer certification.^[91]^[92]^[84]

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Seamaster Aqua Terra 150M Watches - All Collection | OMEGA US®
Free delivery 14-day returnsSilver dial watch on Steel case with Steel bracelet - Seamaster Aqua Terra 150M 41 mm ... materials including OMEGA's own 18K Sedna™ gold. Discover the ...United States · Worldtimer · 'Ladies' Selection · Small Seconds<|control11|><|separator|>
[30]
Seamaster Ploprof 1200M Watches - All Collection | OMEGA CA®
Designed in 1970 to withstand the extreme pressures endured by divers at great depths, it is one of the most reliable dive watches ever produced. Read more ...
[31]
Seamaster Planet Ocean Ultra Deep - Omega
Free delivery 14-day returnsTested in real ocean conditions, this incredible divers' range is water-resistant to 6,000 metres (20,000 ft.) and certified to meet the ISO 6425 standard.
[32]
Seamaster Ultra Deep Watch 215.30.46.21.03.001 | OMEGA US®
In stock Free deliveryTested in real ocean conditions during its development, the design is water-resistant to 6,000 metres (20,000 ft.) and meets the ISO 6425:2018 standard for ...
[33]
Seamaster 300 41 mm, steel on leather strap - Omega
In stock Free deliverySelf-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches. Time zone function. Time zone function. Allows the hour ...
[34]
Using your OMEGA watch | OMEGA US®
This means that an OMEGA watch that is water resistant to 30 metres can be worn for swimming at depths of up to 30 metres underwater.
[35]
Diver 300M Seamaster Bronze gold Master Chronometer ... - Omega
In stock Free deliveryThis 42 mm model is crafted in OMEGA's exclusive Bronze Gold and includes a burgundy oxalic anodized aluminium bezel ring with a diving scale in vintage Super- ...
[36]
Seamaster Main Collection Watches | OMEGA US®
Free delivery 14-day returnsSince its creation in 1993, the Seamaster Professional Diver 300M has evolved ... Seamaster diver 300m 43.5mm - black ceramic on rubber strap - black dial.
[37]
Ploprof 1200M Seamaster O-MEGASTEEL Master Chronometer ...
In stock Free deliveryHelium escape valve. Helium escape valve. Decompression system which allows helium to escape from inside the watch when the watch is worn for professional use ...
[38]
OMEGA Seamaster Shades: All Watches - Aqua Terra 150M
Free delivery 14-day returnsThe design delivers a symmetrical case in a range of materials, including gold and stainless steel, while the sapphire crystal casebacks reveal an ...
[39]
Seamaster Diver 300M 42 mm, steel on steel - Omega
The dial is also polished blue ceramic and features laser-engraved waves and a date window at 6 o'clock. The skeleton hands and raised indexes are rhodium- ...
[40]
RADIUM, TRITIUM AND LUMINOVA - Watchfid
Jun 13, 2017 · In the OMEGA archives, an internal memo dated June 1964 states that suppliers have been notified that from April 1, 1964 all luminous dials ...
[41]
15 years of Aqua Terra | Omega - Watchonista
Jul 24, 2017 · In 2002, OMEGA introduced a bold new range of timepieces to its famous Seamaster family. “Aqua Terra” was the Latin name chosen for the collection.
[42]
https://omega.watchonista.com/news/15-years-aqua-terra
[43]
Omega Seamaster Review (ref. 2254.50.00): Is The SMP Worth It?
Dec 14, 2023 · Sharp sword hands (also harkening back to the 1960s Seamasters) tell the time, with a red-tipped lollipop seconds hand. Unlike the skeletonized ...Missing: Mercedes | Show results with:Mercedes
[44]
The Nicknames of Watch Hands - Crown & Caliber Blog
Nov 30, 2022 · ... OMEGA Seamaster is just one example of a model that features this style hands. Mercedes. The iconic Rolex Submariner in black with mercedes ...
[45]
Introducing: The Omega Seamaster Diver 300M In Orange - Hodinkee
Jul 17, 2025 · The new Omega Seamaster Diver 300M in Orange is available either on a brushed steel mesh bracelet for $6,800 or with an integrated orange rubber ...
[46]
Omega Seamaster Vintage | Chrono24.com
4.8 13K · 14-day returnsYou can purchase a 14755 for about 10,000 USD. The Seamaster 300 ref. 165.014 is even less expensive. Omega produced this model in the mid-1960s. Defining ...
[47]
Explore Omega Seamaster Skeleton Dial Watches | Coveted
Discover 5 Omega Seamaster skeleton dial watches including Omega Seamaster Diver 300M 2942.80, Omega Seamaster Diver 300M 2941.80 models.
[48]
Omega Seamaster 2846 Reference Report
### Specifications for Omega Caliber 501
[49]
Omega 752 Watch Movement - EmmyWatch
The Omega 752, used 1966-1970, is an automatic movement with 24 jewels, 50hr power reserve, 19800 vph, day/date, sweep second, and Incabloc shock protection.Missing: PloProf | Show results with:PloProf
[50]
The Master Chronometer Certification | OMEGA US®
Advantage - Water-resistance. 3 / 4. 3 / 4. Raising standards. Water-resistance. To ensure the integrity of our timepieces at depth, not just some but all ...
[51]
The Definitive Handbook on OMEGA Watch Maintenance
Aug 12, 2025 · We recommend checking your timepiece's water-resistant capabilities annually and scheduling a full service every 3 to 5 years. Additionally, we ...Missing: traditional calibers
[52]
What is an Omega co-axial escapement? - The Watch Doctor
Jan 7, 2024 · Invented around 1974 and patented in 1980 by English watchmaker George Daniels, the co-axial escapement is a modification of the lever escapement.
[53]
1999: OMEGA introduces the Co-Axial watch escapement
Developed by inventor George Daniels (1926 – 2011), the Co-Axial escapement was both a leap forward in watchmaking and a symbol of OMEGA's on-going dedication ...Missing: patent 2500
[54]
Omega 2500 - Ranfft DB
Feb 9, 2024 · The Omega 2500, launched in 1999, has a 48-hour power reserve, 25,200 vph frequency, 27 jewels, and is COSC certified. It is 25.6mm in diameter ...
[55]
The Omega Co-Axial Escapement Fully Explained
Jun 30, 2017 · The first application of the Co-Axial escapement into a wristwatch dates back to 1974/1975 when George Daniels hand-produced the components to ...Missing: patent | Show results with:patent
[56]
Omega Caliber 8508 Watch Movement
Omega's in-house caliber 8508 is a COSC rated automatic movement equipped with Co-Axial Escapement for “greater precision, stability and durability”Missing: 2014 | Show results with:2014
[57]
Omega Master Co-Axial calibres Make Peace With Magnetism
Jul 8, 2014 · The Manufacture has achieved and realised thus far since 2008 by launching the anti-magnetic Si14 silicon balance spring, followed by last ...
[58]
The Silicon Si14 Balance spring | OMEGA®
Three times finer than a human hair, shock resistant and completely unaffected by magnetic fields, OMEGA's famous hairspring first used in 2008 remains an ...Missing: Co- Axial 2014 Cal. 8508
[59]
OMEGA unveils the anti-magnetic silicon balance spring
In 2008, OMEGA released the Si14 balance spring, created to resist the ever-increasing magnetic forces that are part of our lives.Missing: Cal. | Show results with:Cal.
[60]
2015: OMEGA's Master Chronometer watch certification arrives
OMEGA introduced its Master Chronometer certification in 2015 alongside the Swiss Federal Institute of Metrology (METAS). The standard marks the highest in ...
[61]
Omega 2025 Novelties: The Seamaster Diver 300M Bronze Gold
Feb 21, 2025 · The case of the new Seamaster Diver 300M models is made from Omega's special bronze-gold alloy. It contains 37.5 per cent 9K gold as well as ...
[62]
Seamaster Ploprof 1200M Watches - All Collection | OMEGA US®
Free delivery 14-day returnsThe Ploprof 1200M, designed in 1970 for deep diving, has a screw-in crown, rotating bezel, helium escape valve, and is available in various materials and ...
[63]
Ploprof Vs. Ploprof: A Double Hands-On With The 1200M Diver
Mar 14, 2024 · The watch shared the same odd design as the original Ploprof but did not have a monobloc case. Instead, Omega added an automatic helium escape ...
[64]
Omega Seamaster Diver 300 M | Chrono24.com
4.8 13K · 14-day returnsThe dial and bezel insert are a rich green and also feature gold accents on the indices, hands, and diving scale. The watch is available on either a titanium ...Ceramic · Seamaster 21230366101001 · Seamaster 25988000 · Filter (0)Missing: liquidmetal | Show results with:liquidmetal
[65]
Introducing: The Omega Seamaster Professional Diver 300M With ...
Mar 21, 2018 · With the new Seamaster 300M employing the Master Chronometer 8800, Omega is continuing to phase out their older movements in favor of their more ...
[66]
Introducing: The Omega Seamaster Diver 300M In Bronze Gold And ...
Feb 19, 2025 · Today, Omega unveiled the next iteration of its iconic diving watch, the Omega Seamaster Diver 300M, now in Bronze Gold and Burgundy.
[67]
Celebrating 20 Years, The History of the Omega Seamaster Planet ...
Jun 20, 2025 · While the Sea-Dweller had a standard “automatic” helium escape valve, the Seamaster Planet Ocean followed the Seamaster Diver 300M with a manual ...
[68]
Omega Seamaster Planet Ocean Ultra Deep Review by Tim Mosso
Aug 19, 2025 · Topside, the Ultra Deep packs plenty of the Planet Ocean's long-running orange accents. We're only a decade removed from Omega's absurd ...
[69]
Seamaster Diver 300M 42 mm, steel on steel - 210.30.42.20.01.001
In stock Free deliveryThe dial is also polished black ceramic and features laser-engraved waves and a date window at 6 o'clock. The skeleton hands and raised indexes are rhodium- ...
[70]
https://www.omegawatches.com/en-us/watch-omega-seamaster-diver-300m-co-axial-master-chronometer-42-mm-21030422001001
[71]
Review: Omega Seamaster Aqua Terra Master Chronometer :
Oct 19, 2017 · The Aqua Terra was released in 2002 to complete the Omega's entry ... During the years, the Aqua Terra was powered by the calibre 8500 (starting ...
[72]
https://deployant.com/review-seamaster-aqua-terra-master-chronometer/
[73]
Seamaster 1948 38 mm, steel on leather strap - 511.13.38.20.02.002
The series is limited to 1,948 pieces. The 38 mm stainless steel case houses an opaline silvery domed dial with Dauphine style hour/minute hands, central second ...
[74]
Seamaster 300 41 mm, steel on steel - 234.30.41.21.01.001 - Omega
In stock Free delivery30 bar (300 metres / 1000 feet); Total product weight (approx.) 152 g; Caliber: Omega 8912; Movement Type: Self winding; Power reserve: 60 hours. Case ...
[75]
Why I Bought The Omega Seamaster 300 Heritage Dive Watch
Oct 11, 2021 · The Seamaster 300 is no slouch. I put the flatness of the last-gen 300 down to the ceramic bezel with Liquidmetal™ dive scale. The glossy bezel ...Missing: unidirectional | Show results with:unidirectional
[76]
Seamaster Railmaster 40 mm, steel on steel - 220.10.40.20.01.001
Free delivery 14-day returnsSorry, but this watch is no longer available. ... The original OMEGA Railmaster of 1957 was a simple, practical, yet elegant watch designed for railway staff or ...
[77]
Heritage Models Seamaster 37 mm - Milano Cortina 2026 - Omega
This special edition Seamaster features a symmetrical case crafted in 18K Moonshine™ Gold, a pristine Grand Feu enamel dial, and diamond-polished dauphine hands ...
[78]
Introducing: Omega's Seamaster 37mm "Milano Cortina 2026" Is ...
Feb 5, 2025 · Omega pull at its deep history making Olympics watches for a rather cool new release. ; Price: $19,300 ; Availability: Now ; Limited Edition: ...
[79]
Seamaster Heritage Models Watches - All Collection | OMEGA US®
4.7 42 · Free deliverySince 1948, the OMEGA Seamaster has been worn in the deepest places of the ocean and the highest buildings and boardrooms across the globe. Available through ...
[80]
Retrospective - All OMEGA Watches Worn in James Bond 007 Movies
Oct 9, 2021 · The OMEGA Seamaster watch that's probably the most famous of them all is the Diver 300M Professional with wave blue dial worn in 1995 movie ...Missing: selection | Show results with:selection
[81]
James Bond - 007 watch - Omega
Since 1995, J.Bond has always worn OMEGA Seamaster watches in each film. We have created some limited edition timepieces whose special features honour 007.Seamaster Planet Ocean... · Seamaster 300 SPECTRE... · United States
[82]
Seamaster James Bond 60th anniversary Watch 210.30.42.20.03.002
In stock Free deliveryLaunched in 2022, to celebrate 60 years of James Bond, this 42mm Seamaster Diver 300M in stainless steel, has a blue oxalic anodized aluminium dial.
[83]
Omega's New Seamaster Milano Cortina 2026 Is The Gold Standard
Feb 24, 2025 · ... Gordon McLean would end up setting the 1955 diving record while wearing an Omega Seamaster on his wrist, reaching a depth of 62.5m/205ft.
[84]
World's deepest dive | OMEGA US®
The Five Deeps Expedition, the world's first manned expedition to the deepest point in each of the five oceans, is the brainchild of submersible pilot and ...
[85]
Breaking News: The Omega Seamaster Planet Ocean Ultra Deep ...
Jun 20, 2019 · This is now the deepest diving watch of all time, taking the record previously held by the bathyscaphe Trieste, its pilots Captain Don Walsh and ...
[86]
The Seamaster at 70 | OMEGA AU®
The first Seamaster 300 and its subsequent editions quickly became the choice of many of the world's most famous explorers and divers. Even Jacques-Yves ...
[87]
Signed Omega, Automatic Seamaster 300, ref. ST165.024-63 ...
Free deliveryThe present watch was used by Jacques-Yves Cousteau's team during the underwater experiment Precontinent II conducted in the Red Sea in July 1963, where a “ ...
[88]
Royal Navy 'T-Dial' 165.024 Omega Seamaster 300 - Hairspring
Dec 13, 2022 · This is a vintage Seamaster like any other. To you and I, it's an elusive, fixed springbar, thoroughbred mil-spec diver.
[89]
The Final Word On The Helium Release Valve - aBlogtoWatch
Jul 19, 2020 · As divers on these early saturation dives were decompressed inside their habitat after a lengthy period spent in a pressurized, helium-rich ...<|control11|><|separator|>
[90]
Seamaster Olympic Official Timekeeper Watches - All Collection
4.7 42 · Free delivery · 14-day returnsOMEGA has the been the Official Timekeeper of the Olympic Games since 1932. Bought as individual watches or Limited Edition sets, these are ideal Seamaster ...
[91]
https://www.omegawatches.com/en-us/watches/seamaster/heritage-models/olympic-official-timekeeper/catalog