Hello I'm new to this forum so first of all ,thanks to the forum admins for approving my access request. I have an omega watch with no box or papers and I'm trying to find out its model number. I appreaciate your assistance in this matter Many thanks! Stef
It's a Ref 366.0823 (or a earlier Version with a Calibre 565) Here you can read more about it: https://www.timeline.watch/watch/1973-omega-geneve-diver-ref-st-366-0823/