Help identifying this constellation please.

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The reference number is inside the case-back, and you can research the year using the serial number on the movement.
 
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The reference number is inside the case-back, and you can research the year using the serial number on the movement.
Thanks for reply, Where would I search for this this info?
 
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Try the search tool above but you are likely to get more info on the web.
 
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Thanks. I thought this was an omega forum.
We’re enthusiasts, with some knowledge, but we’re not a database 😀
 
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We’re enthusiasts, with some knowledge, but we’re not a database 😀
Thank you. I inherited a few omega and Tissots brand new 70s watches from my late father's jewelry store. Need to id them properly to sell them.
 
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Thank you. I inherited a few omega and Tissots brand new 70s watches from my late father's jewelry store. Need to id them properly to sell them.
That watch has a lot of wear and tear for being b rand new, but good luck with the sale. 👍
 
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That watch has a lot of wear and tear for being b rand new, but good luck with the sale. 👍

That watch has a lot of wear and tear for being b rand new, but good luck with the sale. 👍
wear and tear???? this thing is brand new and shiny
 
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wear and tear???? this thing is brand new and shiny
Well, from your movement photos, both the case and the movement are pitted and the case back gasket appears to have disintegrated 😳

 
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Funny tool marks on the bracelet links. Of course, this was not exactly Omega’s golden age.
 
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Well, from your movement photos, both the case and the movement are pitted and the case back gasket appears to have disintegrated 😳

Yes that's all black stuff from the 1970s gasket disintegration
Well, from your movement photos, both the case and the movement are pitted and the case back gasket appears to have disintegrated 😳

 
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And, as you’ve probably already discovered, the 31****** movement number makes the watch a 1960s watch, albeit 1969 so, with a disintegrated gasket that has ‘spilled’ into the movement, your 55 year old vintage watch is probably in need of a competent professional service.
 
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And, as you’ve probably already discovered, the 31****** movement number makes the watch a 1960s watch, albeit 1969 so, with a disintegrated gasket that has ‘spilled’ into the movement, your 55 year old vintage watch is probably in need of a competent professional service.
thanks for all the help and advise
 
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Here is the information on your watch from Omega:

https://www.omegawatches.com/en-us/watch-omega-constellation-omega-st-368-0845

This model with the bracelet has a different case reference than the one engraved inside the watch, so it can be a bit confusing. Some examples have both numbers inside.

If your watch came with the original box and paperwork, that will add some value to the package. Collectors love that stuff.

Not surprising that the seals have disintegrated over the last 55 years of sitting in a vault. If you are going to sell it, I would not bother with the service. Most collectors would prefer saving a few bucks and letting their watchmaker do the service.

Good luck whatever you decide,
gatorcpa