I need help identifying my vintage Omega watch... please.

I have what I think to be a vintage Omega (Mido) men's watch that I can't find anywhere online or at retail stores/outlets/jewelry stores and it is seriously bothering me because that makes me feel like I got a fake. But I had the back of the watch removed recently and I have pics of several numbers on the back that should help someone else who knows what they're doing with that sort of thing because I apparently don't know what I'm doing after years of trying to research this frustrating watch .. Thanks

Why would you post all of these pictures without a shot of the front of the watch....The dial?

Usually when i want to find similar watches and i have the reference number from inside the case i just google "Omega <ref no> " and search on images..for your model are plenty of them. If on dial it's written "Mido" you have a franken watch..