Help identify Omega 266 18k gold case

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Hello fellas, I just bought this beautiful Omega with a honeycomb dial and an 18k gold case. The problem is that I cannot seem to find the case ref number of this thing anywhere on the internet. Can it be a foreign market case? The case is in real 18k gold though. Thank you in advance.

 
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Possibly movements bought and cased in country of purchase. That reference number maybe part of that distributors information and doesn’t register in a search
 
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Case reference is 2704-1, of which there are a number of examples on the internet.
If the number in the little key symbol is a 2 (I can't quite make it out), it means the case was made for Omega by F. Baumgartner SA of Genève.
The lower number may be related to the movement serial, but that's not visible.

The hands don't appear to be correct for this dial configuration.
 
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Case reference is 2704-1, of which there are a number of examples on the internet.
If the number in the little key symbol is a 2 (I can't quite make it out), it means the case was made for Omega by F. Baumgartner SA of Genève.
The lower number may be related to the movement serial, but that's not visible.

The hands don't appear to be correct for this dial configuration.
Thank you very much for your reply. There must be something wrong on my end, I can’t seem to find any 2704-1 example. The number inside the key is “3”, seem to be an unofficial manufacturer.
 
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Thank you very much for your reply. There must be something wrong on my end, I can’t seem to find any 2704-1 example. The number inside the key is “3”, seem to be an unofficial manufacturer.
My mistake, :whipped:.
I was looking at an old query, not for a 2704.
The suspect key mark (Poinçons de Maître) and the unknown reference raise questions I can't answer.