Omega Caseback No Reference or Stamping

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Does anyone have an Omega watch with nothing on the inside of the caseback?. No reference number or stamping of any kind.
There is a Hippocampus on the outside, so it is an Omega caseback.
Could a caseback without any information or stamping be a generic service caseback?.
 
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Any pictures?
Not yet. Just picture an Omega Caseback that is blank on the inside. Why would that be?.
 
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Not yet. Just picture an Omega Caseback that is blank on the inside. Why would that be?.

Most of the things are blank on the inside. I wanted to have a guess of what the outer side might tell.
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Here is the caseback in question.


Omega_Speedmaster_Mark_IV_Automatic_AS00773_CaseBack_grande.jpg
Edited:
 
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So the caseback looks like in the second picture and you only have the back and it wasn't mounted to a watch?
 
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The blank caseback is the actual caseback. It is on an Omega chronograph.
 
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I feel sorry, because I'm not familiar with Omega chronographs.

But surely some experts will be here and find an answer soon. 👍

Good luck! 😀
 
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Two questions. Is this a possible service caseback?. Is it possible the watch left the factory with a blank caseback?.
Is there a possible third scenario?.
 
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Two questions. Is this a possible service caseback?. Is it possible the watch left the factory with a blank caseback?.
Is there a possible third scenario?.
Old obsolete parts being discarded by internal decision at Omega at some point, with watchmakers taking the parts going for the trash can themselves, later ending up in circulation??
 
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Old obsolete parts being discarded by internal decision at Omega at some point, with watchmakers taking the parts going for the trash can themselves, later ending up in circulation??

The most likely scenario 👍
 
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Two questions. Is this a possible service caseback?. Is it possible the watch left the factory with a blank caseback?.
Is there a possible third scenario?.

Perhaps it was given a fresh coat of perlage to eliminate engraving and watchmaker's scribbling. Aka evidence.
 
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Old obsolete parts being discarded by internal decision at Omega at some point, with watchmakers taking the parts going for the trash can themselves, later ending up in circulation??

Well, this did actually happen...
 
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Perhaps it was given a fresh coat of perlage to eliminate engraving and watchmaker's scribbling. Aka evidence.
Also a fully possible scenario, yes.
 
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To what extent does the blank case back effect the value or price of a watch?
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To what extent does the blank case back effect the value or price of a watch?

That would depend on the overall condition of the watch and the reference.