Omega
Seamaster Diver 300M Co-Axial Master Chronometer
210.30.42.20.01.001
A modern diver's benchmark built on Master Chronometer precision.
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Overview
The Omega Seamaster Diver 300M Co-Axial Master Chronometer reference 210.30.42.20.01.001 represents the current generation of Omega's storied dive-watch line, introduced in 2018. Its 42 mm stainless steel case houses the in-house Calibre 8800, a movement certified to the stringent Master Chronometer standard by the Swiss Federal Institute of Metrology (METAS). The black ceramic wave-pattern dial is one of the model's most recognisable design signatures, continuing a decorative motif that has defined the Seamaster Diver 300M since the 1990s.
History
The Seamaster Diver 300M line traces its roots to 1993, when Omega relaunched the Seamaster as a serious sport and dive watch. The current generation, unveiled at Baselworld 2018, marked a significant technical leap by adopting the Co-Axial Master Chronometer movement family and introducing ceramic dial construction. Reference 210.30.42.20.01.001 sits at the heart of the 2018 collection as the core stainless steel configuration with a black dial, making it the most widely recognised expression of this generation. Its combination of METAS certification and robust dive credentials has cemented its status as a benchmark modern sports watch among collectors.
Notable points
- Calibre 8800 is certified as a Master Chronometer, meeting METAS standards for accuracy, magnetic resistance up to 15,000 gauss, and water resistance.
- The black dial is crafted with a ceramic wave pattern, a nod to the horizontal wave motif that has appeared on Seamaster Diver 300M dials since the model's 1993 debut.
- The case is rated to 300 metres of water resistance, consistent with the line's professional dive-watch heritage.
- A helium escape valve is integrated into the case, supporting saturation diving use.
- The Co-Axial escapement, developed by George Daniels and adopted by Omega, reduces friction in the gear train and extends service intervals compared with traditional lever escapements.
Specifications
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