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 buckle
Dimensions: 36mm diameter
Signed: Case, dial and movement signed
Accessories: Accompanied by Ulysse Nardin Extract from the Archives confirming production in 1950
It is a 12 ligne movement; the Vacherons are 13 ligne without a sub seconds dial. I found a 35mm Vacheron from the 1950's that has a 12 ligne movement with sub seconds. I think it is likely the same movement as the UN:
An Ulysse Nardin I didn't know: Minute Repeater from 1950.
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...
Indeed a special watch.
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 ...
I am trying to work that out myself!
I would not be surprised if it's the same ebauche. Let me see if I can find some more info.
Uhhh! That movement is gorgeous!
Watchmaking at its best. The chamfers are not bad eider...
Dubois-Dépraz
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 think so...
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 ...
I don't know...
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...
I think the UN is different from the Vacherons...
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...
