Need help identifying Omega Watch

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I’m new to this forum, so I apologise if I have not complied fully with the necessary regulations in creating this post.

I have inherited an Omega watch, as photographed. The information I have gathered so far from the watch itself is that it was constructed in 1972 and appears to be 18 carrot gold in its casement and strap. I can see that it’s an Omega Constellation with a 24 Jewel Movement.

When I’ve checked on Omega historical records, I have been unable to identify the watch. Can someone please help me.

Many thanks in advance.
 
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Looks like you already identified it plenty. The model # is in plain sight inside the case back. What more would you need to know? Bear in mind the value of that watch style will be in the gold content only.
 
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Thought it was odd that it isn’t photographed or mentioned on the Omega website.

If the gold content is greater than the value, what value would you put on the watch?
 
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Thought it was odd that it isn’t photographed or mentioned on the Omega website.

If the gold content is greater than the value, what value would you put on the watch?

omega website is very incomplete.
 
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Hmm,

thisnis a very very odd piece. Strap design and serial place it at early 70’s. ( I’ve only seen a Seiko with a similar mesh strap. )

dial is solid gold by the way as denoted by the OM on the dial.

The hallmarks all denote Swiss origin but the case does not seem to have standard reference markings.

I’m a bit stumped. It’s a very very interesting piece in amazing condition.
 
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Hmm,

thisnis a very very odd piece. Strap design and serial place it at early 70’s. ( I’ve only seen a Seiko with a similar mesh strap. )

dial is solid gold by the way as denoted by the OM on the dial.

The hallmarks all denote Swiss origin but the case does not seem to have standard reference markings.

I’m a bit stumped. It’s a very very interesting piece in amazing condition.


ref.# is clearly visible in the case back: 8372
Edited:
 
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ref.# is clearly visible in the case back: 8372
That surely isn't a valid Omega case number from the 1970s.

231.1002 on the buckle is likely the identifier, but the middle 3 in the first part means manual wind so maybe not. I would have expected 251.1002 if the case and movement are matched. Perhaps the case/bracelet were used for a manual wind variant also.
Edited:
 
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That surely isn't a valid Omega case number from the 1970s.

231.1002 on the buckle is likely the identifier, but the middle 3 in the first part means manual wind so maybe not. I would have expected 251.1002 if the case and movement are matched. Perhaps the case/bracelet were used for a manual wind variant also.


I missed that on the buckle lol. I guess with an integrated piece like this, it makes sense to be there.

I think its 100% legit, I know I have never seen anything quite like this though.
 
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That surely isn't a valid Omega case number from the 1970s.

231.1002 on the buckle is likely the identifier, but the middle 3 in the first part means manual wind so maybe not. I would have expected 251.1002 if the case and movement are matched. Perhaps the case/bracelet were used for a manual wind variant also.

8372 is correct. Full case number below:

055BA1518372 | YEL. GOLD CASE 18CT C. 711

 
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Well, partly correct it seems! 151.8372 would be the 7 digit version I guess. Mens, auto without second, non water resistant. I wonder why only the last 4 digits is stamped in there.