Since its introduction in 1993, the OMEGA Seamaster Diver 300M has enjoyed a legendary following among diving professionals and watch enthusiasts alike. The current model represents OMEGA’s commitment to innovation while honouring its rich ocean heritage. This striking 42mm timepiece showcases a brilliant white ceramic dial with the collection’s signature laser-engraved wave pattern and distinctive red accents. As a Master Chronometer certified by METAS, it delivers exceptional precision and magnetic resistance while maintaining the robust functionality expected of a professional diving instrument.
Condition: Immaculate pre-owned condition
Includes: Complete full set
Guarantee: Warranty valid until 2029
Shipping: Free UK delivery
The Seamaster line represents OMEGA’s longest-running collection, with origins dating back to 1948 when it was created to celebrate the brand’s 100th anniversary. The Diver 300M model, introduced in 1993, achieved iconic status when it became James Bond’s watch of choice in 1995’s “GoldenEye.” This association continued through multiple 007 films, cementing the Seamaster Diver 300M’s place in both horological and popular culture. The current generation launched in 2018 represents a complete redesign, introducing ceramic dials and bezels, upgraded movements with Master Chronometer certification, and refined details that honour the collection’s heritage while embracing modern watchmaking technology.
The Master Chronometer certification represents one of the industry’s most rigorous testing regimens, administered by the Swiss Federal Institute of Metrology (METAS). Each watch undergoes eight intensive tests examining precision in multiple positions and temperatures, water resistance, magnetic resistance up to 15,000 gauss, and power reserve performance. This certification guarantees exceptional accuracy under real-world conditions, including environments with powerful magnetic fields from everyday electronic devices. The Calibre 8800’s ability to maintain precision in these conditions demonstrates OMEGA’s commitment to practical performance beyond traditional chronometer standards.
The helium escape valve is a defining feature of the Seamaster Diver 300M, located at the 10 o’clock position. This automatic decompression system allows helium atoms to escape during saturation diving decompression phases. When professional divers work at great depths, they often breathe a mixture containing helium in hyperbaric chambers. The tiny helium molecules can penetrate the watch case and accumulate during extended periods. Without the helium escape valve, these molecules could expand during decompression and potentially damage the watch. While most owners will never require this functionality, it represents OMEGA’s commitment to creating authentic professional diving instruments.
The white ceramic dial and black ceramic bezel represent significant upgrades in both aesthetics and durability. Ceramic is virtually scratchproof (rating 9 on the Mohs hardness scale, with only diamond being harder), ensuring the watch retains its pristine appearance despite active wear. The material also maintains its vibrant colour indefinitely without fading from UV exposure. The white ceramic dial provides an exceptional canvas for the laser-engraved wave pattern, creating a stunning three-dimensional effect that changes dynamically under different lighting conditions. The contrast between the white dial, black bezel, and red accents delivers both striking visual appeal and exceptional legibility essential for a professional diving instrument.
The Co-Axial escapement represents one of the most significant horological innovations in centuries. Developed by master watchmaker George Daniels and industrialised by OMEGA, this revolutionary design reduces friction between components, minimising wear and performance degradation over time. Traditional lever escapements experience sliding friction, requiring more frequent servicing and lubrication. The Co-Axial’s unique geometry creates more of a rolling action between surfaces, delivering enhanced long-term reliability, greater precision, and extended service intervals. Combined with the silicon balance spring (impervious to magnetic fields and temperature variations), the Co-Axial escapement in the Calibre 8800 represents OMEGA’s commitment to practical innovation that benefits the owner through improved performance and reduced maintenance requirements.
Despite its professional diving credentials, the Seamaster Diver 300M excels as a versatile daily companion. The 42mm case size strikes an ideal balance between presence and wearability for most wrist sizes. At 13.6mm thick, it slides comfortably under most shirt cuffs while maintaining the robust construction expected of a professional dive watch. The integrated black rubber strap provides exceptional comfort in all conditions, from business settings to weekend activities. The white dial version offers particularly versatile styling, transitioning effortlessly between casual and formal environments. The date function, excellent legibility, and 55-hour power reserve add practical functionality for everyday use, while the 300m water resistance ensures carefree wear during any aquatic activities.
Close examination reveals the exceptional attention to detail that distinguishes the Seamaster Diver 300M. The laser-engraved wave pattern on the ceramic dial demonstrates remarkable precision, creating a consistent and intricate design inspired by the ocean. The blackened skeleton hands feature perfect polishing and precise application of Super-LumiNova. The Calibre 8800 visible through the caseback showcases Geneva waves in arabesque, polished bevels, and black screws – finishing techniques typically reserved for much more expensive timepieces. Even unseen details like the silicon balance spring and free-sprung balance with micro-adjustment screws reflect OMEGA’s commitment to technical excellence. The perfectly aligned bezel with smooth, precise 120-click rotation demonstrates the tactile quality expected of a premium diving instrument.
For any purchases online, we offer a 14 day refund as long as they are returned exactly as sold. Any purchases in person are final.
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