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Omega Seamaster 300: The Complete Collector's Guide: From the 1957 CK2913 to Today's Master Chronometer

The Omega Seamaster 300 is a founding member of the 1957 "Holy Trinity" alongside the Speedmaster and Railmaster. Reference CK2913 was Omega's first purpose-built dive watch, distinguished by broad arrow hands, a lollipop seconds hand, and an uncluttered tool-watch dial. The British Ministry of Defence issued the second-generation ref. 165.024 to the Royal Navy (caseback code "0552") and the SAS (caseback code "W10") between 1967 and 1971. This is not the Seamaster Diver 300M. The lineage is separate: purer, historically rooted, and increasingly valuable. Vintage CK2913 examples range from $15,000 to over $500,000; military-issue 165.024s run $8,000 to $80,000+. The current Master Chronometer reissue (ref. 234.30.41.21.01.001) with Cal. 8912 retails at $7,600 to $8,300; the discontinued 2014 generation (ref. 233.30.41.21.01.001) trades at $3,500 to $5,500 and represents the best value in modern Omega dive watches.

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Specifications

Current Reference234.30.41.21.01.001 (black), 234.30.41.21.03.001 (blue)
Case Diameter41mm
Case Thickness13.85mm
Case MaterialStainless steel (brushed and polished)
BezelUnidirectional rotating, oxalic anodized aluminum with diving scale and vintage Super-LumiNova
CrystalDomed scratch-resistant sapphire with anti-reflective treatment on both sides
Dial ConstructionSandwich dial: lower plate with vintage Super-LumiNova, upper plate with recessed hour markers and openwork numerals
HandsRhodium-plated broad arrow hour hand, lollipop seconds hand: both with vintage Super-LumiNova
MovementOmega Co-Axial Master Chronometer Calibre 8912
Movement TypeAutomatic self-winding
Frequency25,200 vph (3.5 Hz)
Jewels39
Power Reserve60 hours
Magnetic Resistance>15,000 gauss
CertificationMETAS Master Chronometer
Water Resistance300 meters (1000 feet)
CasebackTransparent sapphire crystal
FunctionsHours, minutes, seconds
Date DisplayNone
Helium Escape ValveNone
Lug Width20mm (vintage) / 21mm (2014 reissue) / 20mm (2021 reissue)
WeightApproximately 175g on bracelet

History

The Seamaster line debuted in 1948 as a water-resistant dress watch commemorating Omega's 100th anniversary. By the mid-1950s, recreational scuba diving was exploding in popularity, and Omega saw an opportunity. In 1957, the company launched three professional-grade watches simultaneously: the Seamaster 300 (ref. CK2913), the Railmaster (ref. CK2914), and the Speedmaster (ref. CK2915). This 'Professional Trilogy' (later dubbed the 'Holy Trinity of 1957' by collectors)represented Omega's aggressive push into tool watches. The CK2913 was specifically engineered for underwater use, rated to 200 meters despite the '300' in its name (Omega claimed testing equipment limitations, asserting the watch could handle more). It was built by Huguenin Frères in Le Locle and featured innovations like a screw-back case with O-ring gasket, a thick pliable crystal, and a rotating bezel with a reverse minute countdown scale.

Iconic References

Buying Guide

  • Collectors who value vintage DNA and military heritage over modern flash
  • Omega enthusiasts who want the 'other' legendary 1957 watch (the one that isn't a Speedmaster)
  • Buyers looking for a clean, no-date dive watch with genuine horological heritage
  • Military watch collectors: the MoD-issue 165.024 is a grail-tier find
  • Value-conscious buyers seeking a modern luxury diver under $5,000 (2014 generation pre-owned)
  • Watch nerds who appreciate sandwich dials, broad arrow hands, and movement finishing
  • Anyone who wants to wear a historically significant dive watch that won't be confused with a Rolex Submariner

Pricing & Market Data

Retail MSRP

value$7,600 (leather strap) to $8,300 (stainless steel bracelet) for current 2021+ references

Pre-Owned Market

value$4,750-$5,600 pre-owned (2021 generation); $3,500-$5,000 pre-owned (2014 generation); $8,000-$100,000+ (vintage depending on reference and condition)

Market Trajectory

Vintage CK2913 and military 165.024 references have shown 4-7% annual appreciation from 2020 through 2025. Modern 2014-generation pre-owned prices have stabilized around $3,800-$4,500 and are beginning to appreciate as the generation is now discontinued. Current 2021 generation follows typical in-production depreciation of 25-35% from MSRP on the secondary market.

Investment Grade

A (vintage CK2913/military 165.024), B+ (discontinued 2014 generation), B (current 2021 production)

Best Value Pick

233.30.41.21.01.001 (2014 generation, pre-owned at $3,500-$4,500): discontinued, anti-magnetic Cal. 8400, genuine Seamaster 300 heritage, under $5,000. This is the single best value in modern Omega dive watches right now.

Comparisons

Cultural Significance

Collector's Lore

The Seamaster 300 carries some of the best stories in watchmaking. There's the tale of a British SAS operative whose W10-marked 165.024 survived a jungle deployment in Borneo, the watch resurfaced at a UK car boot sale decades later and sold for over £50,000. There's the persistent (and unconfirmed) rumor that Ian Fleming himself wore a Seamaster 300 before Bond was ever associated with Omega on screen. Collectors obsess over the eight CK2913 sub-variants: particularly the 2913-1, which lacks the iconic seahorse caseback and is thought to have been produced in quantities under 100. The 'FAP' variants made for the Peruvian Air Force (Fuerza Aérea del Perú) are unicorn-level rare, with perhaps a dozen known to exist. In the modern era, the 2014 revival was Omega's quiet statement that they could compete with vintage Rolex on heritage, and the watch community noticed. The Seamaster 300 doesn't need a James Bond endorsement or a moon landing to justify its existence. It earned its reputation in the water, in the dark, and on the wrists of people whose lives depended on it.

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