Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Omega Seamaster Ploprof 1200M 55 x 45 mm
Omegashown: 227.32.55.21.03.001
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 227.32.55.21.03.001 ↗ · read 2026-08-28
Movement
Sources
- 1omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-ploprof-1200m-co-axial-master-chronometer-55-x-45-mm-22732552103001manufacturertier 1retrieved 2026-08-265 facts on this page