Vacheron Constantin

respo
4777

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I am sure someone, such as our Moderator, will know more than I

...but my understanding is that the changes in going from ref. 47101 to 47111 were due to changing from the snap-on caseback to the screwed-down caseback (as you noted) and a slight change to the movement's gear train.  I am not sure about the crown and if there were changes to it over the years, but I and others have noticed that the pushers came in a couple of shapes (some are more oval while others are more rectangular). I do not recall seeing any crowns on the 47101/47111 that were unsigned, but it sounds like yours is unsigned.  Have you had yours evaluated by Vacheron Constantin, by the way?  That is the only way to determine if yours is 100% correct.

It is hard to compare movements without a clearer side-by-side of the photos of yours and the other watch.  At least I am having a hard time looking at the images you provided.  It would be interesting to know if changes to the caliber 1141 are noted in the printing on the movement in the different references, that is does it read "1141" on movement in all of the references or is there some indication of a modified 1141 printed on the movement? 

The part of the reference number following the "/" (i.e., 1, 2, 3 or 4) seems to signify changes to the hands, e.g., whether the gold hour and minute hands were striped or solid (with /2 and /3 being the striped hands).  These numbers may signify other slight changes of which I am unaware. 

I have even read and seen images of one example marked 47101/4-47111, which must have been a transitional model. 

The mysteries of Vacheron's reference numbering from the past abound.  It's part of the fun. ;-)

Best,

respo