Universal Genève Four Digit References

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Intruiging. 2052 may be the predecessor of 5002.
 
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well, I'd say that dial is - at least - many years more modern than watch! 😁
 
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Perhaps. But not much comparables to be found....
 
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well, I'd say that dial is - at least - many years more modern than watch! 😁
Why ? Because of the 'Pointy A' Because if it is the reason, I have a 'Pointy A' that is original UG...
 
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Because it's a Uni-Compax dial in a 684xxx case...

The dial is - in my opinion - most probably correct.
Uni-Compaxes (so it appears to me) were first used in these early high pressure waterproof cases (references 7065-7075 more or less).


 
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I respectfully disagree.
In this same thread we have a pic of an old catalogue, with a 7066 reference and a "Compur" dial.
Moreover, from what I can see, again in this thread we have examples of Compur models with 750k serial.

I can't prove anything but to me these are swapped dials. This case was an early waterproof one, and it's normal for me to think that most of these dials were damaged at some point and swapped with Uni-Compax dials.

But yes, I see there are many examples that you showed us. So I guess I'm in minority here 😀

EDIT: are we sure that black examples are actual different watches? Maybe it's the same watch.

EDIT 2: I found some 2015 pics of a barnfind watch. Serial is really close to this one, reference is the same, and of course it was a Berthoud. Again, I can't prove anything but I'd bet that this was originally a Berthoud one.. now with a UG dial in order to increase its value.

Edited:
 
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I respectfully disagree.
In this same thread we have a pic of an old catalogue, with a 7066 reference and a "Compur" dial.
Moreover, from what I can see, again in this thread we have examples of Compur models with 750k serial.

I can't proof anything but to me these are swapped dials. This case was an early waterproof one, and it's normal for me to think that most of these dials were damaged at some point and swapped with Uni-Compax dials.

But yes, I see there are many examples that you showed us. So I guess I'm in minority here 😀

Oh, definitely Compurs and Uni-Compaxes existed in parallel all through the 1940s and shared the same reference numbers. So I definitely don’t see any problem in having the same ref. as both Compur (30) and Uni-Compax (best example being the 22409 Spillmann).

Sala as well as other sources say that Uni-Compax was introduced in 1936, which corresponds to serials somewhere just over 600 000. So why wouldn’t it be possible to have a 684024 serial as a Uni-Compax?

But obviously I have no proof for my claim that the dial(s) is (are) really original to the case.
 
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So I definitely don’t see any problem in having the same ref. as both Compur (30) and Uni-Compax (best example being the 22409 Spillmann).
Of course Martin, but serial numbers are different for those models. Compurs are around 700k and Uni-Compax are around 1M-1.1M

Anyway, I can't prove anything so... but I have this feeling. I'll keep looking for other examples.
 
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You forgot to bid?
 
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Does anyone know how the mirrored/foil indices are applied in a redial (or in the first place)? I have never been sure if this is a galvanic process similar to gilting (doesn't really look like it) or an actual deposition of a physical layer of metallic paint/foil.
 
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Of course. But hey: what do we know