Omega
Seamaster Diver 300M Co-Axial Master Chronometer
210.30.42.20.10.001
A deep-diving icon reborn in green ceramic and Master Chronometer precision.
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Overview
The Omega Seamaster Diver 300M Co-Axial Master Chronometer reference 210.30.42.20.10.001 pairs a 42 mm stainless steel case with a striking green ceramic dial bearing the line's signature wave pattern. Powering the watch is Calibre 8800, a movement certified to Master Chronometer standards by the Swiss Federal Institute of Metrology (METAS), ensuring exceptional accuracy and resistance to magnetic fields of up to 15,000 gauss. The combination of bold colour, robust construction, and high-grade movement certification places this reference firmly at the top of the modern Seamaster Diver 300M range.
History
The Seamaster Diver 300M line traces its roots to the 1990s, when Omega introduced a purpose-built professional diver that would go on to earn wide recognition — including its long association with the James Bond film franchise. The current generation, launched in the late 2010s and refined into the early 2020s, adopted the Co-Axial Master Chronometer platform and introduced ceramic dial technology to the collection. This green-dialled reference, produced from 2022 onward, reflects the broader industry enthusiasm for bold dial colours while remaining anchored in the Seamaster's heritage of genuine dive-watch capability.
Notable points
- Green ceramic dial: the wave-pattern surface is rendered in ceramic, offering superior scratch resistance and long-term colour stability compared to traditional lacquer or enamel.
- Calibre 8800 movement: METAS-certified Master Chronometer, meeting eight stringent tests including anti-magnetic performance to 15,000 gauss and a daily rate of 0/+5 seconds.
- Co-Axial escapement: Omega's proprietary escapement geometry reduces friction and extends service intervals relative to conventional lever escapements.
- 300-metre water resistance: the 42 mm stainless steel case is equipped with a helium escape valve and a screw-down crown, meeting ISO 6425 diver's watch standards.
- Ceramic unidirectional bezel: the rotating dive bezel insert is also produced in ceramic, complementing the dial and resisting the fading common to aluminium inserts.
Specifications
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