Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Omega Seamaster Seamaster 37 mm 37 mm
Omegashown: 522.53.37.20.04.001
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.
structural proof — Omega’s own product data binds this image and this reference in one record.
Omega’s product page for 522.53.37.20.04.001 ↗ · read 2026-08-28
Movement
Sources
- 1omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-37-mm-co-axial-master-chronometer-37-mm-52253372004001manufacturertier 1retrieved 2026-08-265 facts on this page