You did OK. This is what Omega has to say about it:
https://www.omegawatches.com/en-us/watch-omega-seamaster-omega-ck-14389
I see you might have "lume plots", tiny dots of paint meant to glow; if so, your hands have been changed, and you might want to get hands to match the picture on the site. The crown is probably not original for 1960, but that's minor too. 45003ST is its catalog number (for lack of a better term). You can get a genuine replacement from
http://www.ofrei.com/page_147.html for $72.
Do not be bothered that your dial does not match the picture on Omega's site; they put a variety of different dials into watches with the same case number.
All in all, it's not perfect but it is quite wearable and should be a fabulous timekeeper after cleaning and adjustment.
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