Bought this at an Estate sale, need help Identifying what time period it came from, the model, as well as a ballpark evaluation. TIA

 

For what it’s worth, it’s still running!

 

You could have a watchmaker open up the caseback and check the reference number, but I'm pretty sure it's a 165.002. Looks the same to me.
https://itsawindup.com/watches/omega-seamaster-gents-automatic-vintage-watch-1965-1

Edit: I'm sure others can give a value indication. The engraved caseback is not very desirable imo, but can be polished away.

 

Determine the reference (@alecuncu told you how) and then check the eBay sold listings for value.

 

App. 1965
Probably 165.002
Watch without bracelet between EUR 350 and EUR 650 (depending on some factors)

What's the number on the bracelet?

 

Not sure and I won’t be home for another week, I’ll see if I can get someone back at home to look. Thank you