Welcome
@mcnuonuo
I’ll leave the Seamaster to others but the mid-70s ‘Japanese-market’ Connie looks to be correct.
Good sharp lugs, (some scratches bottom right lug) correct 1011 movement.
I would hope the pics are pre-service as the case and movt don’t look clean enough and the gasket seems to be the wrong size. (Gauge)
Prices for these are up and down at the moment.
A nice example recently sold on eBay for what most considered a high price - thread here.
https://omegaforums.net/threads/omega-constellation-pie-pan-168-0065.96658/page-2
There are also links to others in the thread
It’s easier if you tell us what the asking price is and we can give opinions on whether it’s sensible or not.
Hope that helps.
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