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Sadly I think a lot more is wrong with that watch...
Starting with the ref (not a M-C) and serial (too early).
Probable redial, wrong hands ...
While on the topic of medicos...
There is this one up for sale at a prominent Parisian vintage dealer. Asking is 12.8k I think.
I don't have more photos, sadly.
The case is super sharp (maybe even too much?), but no ref nor serial visible on the back.