Vacheron Constantin. A very fine and rare 18K yellow and white gold keyless lever wandering hours watch with triangular ruby minute pointer
On lots marked with an + in the catalogue, VAT wil… Read more VACHERON CONSTANTIN Yellow and White Gold "Chronoscope" with Ruby Pointer
Vacheron Constantin. A very fine and rare 18K yellow and white gold keyless lever wandering hours watch with triangular ruby minute pointer

SIGNED VACHERON & CONSTANTIN, ROBERT CART PATENT NO. 130191 “CHRONOSCOPE” MODEL, MOVEMENT NO. 414'380, CASE NO. 257'146, MANUFACTURED IN 1930

Details
Vacheron Constantin. A very fine and rare 18K yellow and white gold keyless lever wandering hours watch with triangular ruby minute pointer
Signed Vacheron & Constantin, Robert Cart patent no. 130191 “Chronoscope” model, movement no. 414'380, case no. 257'146, manufactured in 1930
Movement: cal. RA 17’’’ 15/12 PC, manual, 18 jewels, signed and engraved with Robert Cart patent number 130191
Dial: signed
Case: two-colour, snap-on back, 44 mm. diam., signed
With: Vacheron Constantin Extract from the Archives confirming manufacture of present watch with 18K yellow and 18K white gold case and ruby minute pointer in 1930
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Lot Essay

The present very finely constructed and elegant Art Deco watch is distinguished by the exceedingly rare combination of a two-tone gld case and a ruby pointer, all confirmed by the Extract from the Archives. It is fitted with the “Chronoscope” system of jumping hours and wandering minutes patented by the Swiss watchmaker Robert Cart around 1925 under Swiss patent number 130191.

The “Chronoscope” watch was particularly popular as of the the mid-1920s, the design suiting the Art Deco period perfectly with its avant-garde look, the traditional hour and minute hands pared down to bold geometric shapes. The system was used in watches by several renowned companies such as Vacheron & Constantin, Cartier, Gübelin and Breguet.

The expression "Chronoscope" is derived from the Greek "chronos" for time and "scope" for range, sector and stands for an instrument for accurate measurements of small intervals of time.

Very similar “Chronoscope” watches by Vacheron Constantin are illustrated in Secrets of Vacheron Constantin, Franco Cologni, 2005, p. 250, Treasures of Vacheron Constantin, 2011, p. 58.

Another example by Cartier is illustrated in: Le Temps de Cartier, Barracca, Negretti & Nencini, 1989, p. 140.

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