Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Omega Seamaster Diver 300M 42 mm (8807)
Omegashown: 210.55.42.20.99.001
Omega’s own photograph of their own product, published on their product page. We serve a 240 px copy from our host rather than loading theirs. We did not take this picture and claim no rights in it.
lexical proof — the reference is printed inside the image’s own filename on that page.
Omega’s product page for 210.55.42.20.99.001 ↗ · read 2026-08-26
Movement
Sources
- 1omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-diver-300m-co-axial-master-chronometer-42-mm-21055422099001manufacturertier 1retrieved 2026-08-262 facts on this page
- 2omegawatches.comhttps://www.omegawatches.com/en-us/watches/seamaster/diver-300-m/catalogmanufacturertier 1retrieved 2026-08-263 facts on this page