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The Omega Seamaster 300 (not to be confused with the more famous 300M) is a heritage-inspired re-issue of the watch that Omega provided to British military divers in the 1950s. At around $5,800-$7,500, it occupies a fascinating position in the Omega lineup.
Heritage Design
The Seamaster 300’s design faithfully recreates the 1957 original, with its distinctive broad arrow hands (adopted from military specifications), large luminous rectangular hour markers, and coin-edged bezel. The 41mm case is sized for modern wrists while honoring the original’s proportions.
Calibre 8400
The Co-Axial Calibre 8400 movement features Omega’s silicon balance spring and the co-axial escapement — delivering Master Chronometer-level performance in a heritage package. Power reserve is 60 hours. The movement is visible through the display caseback.
Our Take
The Seamaster 300 is one of Omega’s most satisfying models — a watch with deep heritage, excellent movement technology, and a design that rewards close attention. It’s more specialized than the 300M but more historically resonant. Recommended for collectors who appreciate the watch that preceded Bond’s.
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