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but what I could see from the hole was just how paper thin the gold really is. I was new to collecting at the time and immediately realized I had way overpaid for both of them. Nonetheless, as pretty as they were it only took me about 10 mins to decide they had to go back.Probably a Venus 170 movement, so not exactly the same kind of watches than the Chronographes suisses above, which have Landerons. But your case seems to be like those, probably with an internal cover in a non gold metal.
Seems to be a nice watch! I like the blue steel hands these watches usually have. Not sure with your pics, but your watches seems to have this kind of hands as well.