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Montblanc

That would be appreciated …

 

Thanks Mike,

 

It would be great to get more information from MB/Minerva. The 4356 stamped on the case may be a serial number to help the investigation.

 

Looking at the later triple date moonphase Minerva below superimposed on my movement, the escapement also appears to be from a Cal. 730. It appears to be possible to add the moonphase complication to the basic 730 calibre and this would have had some other advantages over the older Cal. 88 movement.

 

However, the milled bridge suggests that this movement was not original to the watch, but there may be another explanation.

 

I am hoping that someone with knowledge of these Valjoux movements and perhaps Minerva and Tourneau’s practices at the time can shed more light.

 

Regards

 

Andrew




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