Universal Genève Four Digit References

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Good to hear. I think it is redone though…
 
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And another interesting question:

I have reason to believe all references were made so within this small range (831-805=26(!)) 7292, 7293 and 7294 must fit. I did some high over calculations how this may work. Please consider this just as an exercise and not as absolute thruth.

The main point is that UG produced watches in this era in very small batches.

Edited:
 
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Absolutely