I bought this Longine about 10 years ago. Not sure what model and estimate it is from the 60's. Any opinions would be welcome. The bracelet is a gold filled vintage that I think matches the watch well.
There's a good chance of it being a front loader from that era with those calibers. Is there any writing on the back saying to use a certain wrench (1200, 1260)?
It's a front loader for sure. Has to be after 1958 because of that. It isn't a high beat because it doesn't have the markings or logo, so it's also pre-1967.