
Ref. 210.22.42.20.01.001 · Diver
Omega
An Omega Co-Axial Master Chronometer automatic, anti-magnetic to 15,000 gauss and METAS-certified, running at 25,200 vph with about 55 hours of power reserve. It powers date models across the Seamaster and Constellation lines.
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Seamaster Diver 300M collection · 8 watches







8 colorways
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Owners and reviewers praise the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm for its versatile design that bridges toolish and elegant aesthetics, with the white ceramic dial described as nautical and the polished/brushed case finishing highly regarded. The 42mm size and 13.7mm thickness are considered well-proportioned, and the in-house Omega 8800 movement, large polished hands, and excellent legibility earn consistent acclaim. Owners highlight the comfortable wearability despite the watch's heft, the tough build quality, the green dial's exceptional versatility across lighting conditions, and the bracelet's clasp mechanism. One caveat: the watch is criticized for being heavy and chunky on the bracelet, and some find the helium release valve vestigial visual clutter; one owner notes the black dial doesn't shine as expected and hour markers could be brighter.
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