Grade not disclosed by the source; the edge points at the grade-unknown execution.
Watch model
Omega Speedmaster Chronoscope 43 mm (9909)

Omegashown: 522.60.43.51.02.001
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 522.60.43.51.02.001 ↗ · read 2026-08-26
Movement
Attributes
- Reference
- 522.62.43.51.02.001
Sources
- 1omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-speedmaster-chronoscope-co-axial-master-chronometer-chronograph-43-mm-52260435102001manufacturertier 1retrieved 2026-08-262 facts on this page
- 2omegawatches.comhttps://www.omegawatches.com/en-us/watches/speedmaster/two-counters/catalogmanufacturertier 1retrieved 2026-08-263 facts on this page
- 3omegawatches.comhttps://www.omegawatches.com/en-us/watch-omega-speedmaster-chronoscope-co-axial-master-chronometer-chronograph-43-mm-52262435102001manufacturertier 1retrieved 2026-08-261 fact on this page