Ulysse Nardin

36 mm Yellow Gold case, with a movement which looks familiar to those who know the Vacheron Minute Repeater. Credit picture Phillips: According to Phillips, it is most probably an unique piece. I tend to agree with them when they say that we often see tim...  

I photographed it at the Phillips preview in London in October 2018. The case is similar to a Patek Philippe repeater () sold by the same auction house in 2016 (third image is courtesy of Phillips). Regards, Baruch ...  

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I would not be surprised if it's the same ebauche. Let me see if I can find some more info.

Watchmaking at its best. The chamfers are not bad eider...

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I think the cal. was made by Dubois Depraz ...  

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From an Antiquorum auction lot 140 11Oct03: Notes "Vacheron Constantin minute-repeating wristwatches were produced in 36 examples in all, in pink, yellow, white gold and platinum : 17 examples in 1942, 9 in 1944 and 10 in 1951. Only ten examples of the la... 

I don’t know about the reliability of Antiquorum as an information source. I think the information is probably correct though: on page 262 of the 1992 publication “The World of Vacheron Constantin Geneve” credits the development of the movement to Dubois ... 

Claret has been openly credited with the original San Marco minute repeaters, and the Hourstriker shares its Jacquemart feature so it makes sense that he could have been involved with its development. On the other hand Dubois-Depraz specializes in develop... 

Fwiw I found the UN repeater auction info: Share Manufacturer: Ulysse Nardin Year: 1950 Movement No: 127'544 Case No: 668'852 Material: 18K yellow gold Calibre: Manual, cal. 12"', 27 jewels Bracelet/Strap: Leather Clasp/Buckle: Yellow gold plated pin buck...