Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Omega Seamaster Aqua Terra Shades 38 mm (8801)

Omegashown: 220.50.38.20.08.001
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 220.50.38.20.08.001 ↗ · read 2026-08-26
Movement
Attributes
- Reference
- 220.50.38.20.10.001
- Reference
- 220.53.38.20.10.001
- Reference
- 220.55.38.20.09.001
Sources
- 1omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-aqua-terra-shades-co-axial-master-chronometer-38-mm-22050382008001manufacturertier 1retrieved 2026-08-262 facts on this page
- 2omegawatches.comhttps://www.omegawatches.com/en-us/watches/seamaster/aqua-terra-150m/catalog?p=2manufacturertier 1retrieved 2026-08-263 facts on this page
- 3omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-aqua-terra-shades-co-axial-master-chronometer-38-mm-22050382010001manufacturertier 1retrieved 2026-08-261 fact on this page
- 4omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-aqua-terra-shades-co-axial-master-chronometer-38-mm-22053382010001manufacturertier 1retrieved 2026-08-261 fact on this page
- 5omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-seamaster-aqua-terra-shades-co-axial-master-chronometer-38-mm-22055382009001manufacturertier 1retrieved 2026-08-261 fact on this page