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Omega Seamaster
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MovementAutomatic Co-Axial Master Chronometer
Diameter42 mm (Diver 300M)
Thicknessapprox. 13.5 mm
Water resistance30 bar (300 m)
BezelUnidirectional ceramic with 60-minute scale

Seamaster

Since 1948 the brand's family of sea watches, since 1995 also James Bond's timepiece

Line History

The Seamaster is born in 1948, the year of Omega's centenary, as a rugged, water-resistant watch designed for "town, sea and country": the technical concept derives in part from studies the brand carried out for the British military during the Second World War, particularly on O-ring gaskets, which provided a much more effective watertight seal than previous systems. It is the first true sport-elegant watch in Omega's catalogue, capable of adapting to both a formal context and a more casual everyday use.

The family's diving vocation is reinforced in 1957 with the launch of the Seamaster 300, presented the same year as the Speedmaster and the Railmaster: a watch designed specifically for professional divers, with a graduated rotating bezel and strong legibility in low-visibility conditions. From there the line develops for decades in parallel with advances in diving technology, up to the 1993 turning point with the Seamaster Diver 300M, which introduces the ceramic-insert bezel, the helium escape valve and a "wave" dial design that will become one of the brand's most recognized visual signatures.

1995 marks a turning point in the line's public perception: costume designer Lindy Hemming chooses the Seamaster Diver 300M Quartz as James Bond's watch in "GoldenEye," the first film in the saga with Pierce Brosnan, to give the character a "more modern and European" image compared to previous models. From then on the Seamaster, in its various versions, accompanies 007 in all subsequent films, including Daniel Craig's portrayals, contributing decisively to making the line one of the most recognizable dive watches in the world, even beyond the narrow circle of watch enthusiasts.

Over time the Seamaster family has expanded to include sub-lines with distinct personalities: the Aqua Terra, launched in 2002, offers a more formal aesthetic with its characteristic "grooved" dial pattern recalling the planks of a teak deck, designed for versatile use between office and leisure; the Diver 300M remains the sporty, professional heart of the line; while the Planet Ocean, born in 2005 as a more technical and performance-oriented diver, has over time acquired an identity defined enough to often be treated as a collection in its own right, while still remaining part of the Seamaster family.

Technical Specifications

Movement
Automatic Co-Axial Master Chronometer, e.g. caliber 8800/8804
Case
42 mm, steel, Sedna gold or titanium depending on version
Bezel
Unidirectional ceramic, 60-minute scale
Dial
Vertical "wave" pattern, helium escape valve at 10 o'clock
Crystal
Anti-reflective sapphire
Water resistance
30 bar (300 m)
Strap
Steel bracelet with wetsuit-extension clasp, or NATO strap
Inspiration
British Royal Navy, professional diving, James Bond

Main Executions

Seamaster 300Historic 1957 diver, graduated bezel, part of the "Trilogy"1957 (reissued since 2018)
Seamaster Diver 300MRef. 2541.80.00, the first Seamaster worn by James Bond in "GoldenEye"since 1993 / 1995
Seamaster Aqua TerraTeak-style "grooved" dial, more formal designsince 2002
Seamaster 300M "007 Edition"Special editions dedicated to the James Bond film sagavarious special editions
Fun Fact

Before 1995 James Bond had almost always worn a Rolex, both in Ian Fleming's novels and in the saga's earlier films: the choice of the Seamaster for Pierce Brosnan was a deliberate production decision, intended to refresh the secret agent's image — a watch change that later became one of the most enduring and commercially significant partnerships in film history.