[mikeyt_53]

hi Nick. I'm inclined to think that the dial has been repainted at some point in the somewhat distant past and that the crown / stem has been replaced at some point also. Without seeing a pic of the movement and the inside of the case back, there isn't much more i can tell you.

 

[mikeyt_53]

I agree that the movement is likely original to the watch. Just below the balance wheel / hairspring, is that a scratch or dog hair or ?? We dont do evaluations here on this site and suggest that you check eBay's 'Sold' section (Advanced search) for similar Omegas.

Here's a link to the information on your rmovement: