It’s a 165.002. They came with 550 and 552 calibers.
You can research the difference but if I remember correctly they are the same save the number of jewels. The US had a tariff on watches over 17 jewels at the time.
The outer minute track might have been redone. There are multiplemdial variations on these.
That’s all the info you need to google information about the piece.
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