242,500 CHF
Vacheron & Constantin – A Unique Art Deco Masterwork – 30-Day Duration Clock with Constant Force Escapement Vacheron & Constantin, Geneve, Suisse, “30 Days, Force Constant”, No. 418068. Made in 1933. Exceptional and unique, Art Deco, rock crystal and chrome, 30-day going, two-train, skeletonized clock with Philippe René Jaccard’s Swiss patent No. 142508 constant force escapement of 1930. Accompanied by photographs of Jaccard’s designs for the escapement. Multi-piece, transparent, faceted rock crystal within a chrome framework, black lacquered base with chromed feet. Skeletonized, brushed steel with radial Arabic numerals. Matte baton hands. Matte and polished silvered skeletonized plates in four graduated tiers, 18 pillars with polished steel screws, twin brass going barrels, wheels with five crossings, 27 jewels, Philippe René Jaccard’s constant force lever escapement with spring remontoire, large diameter cut bimetallic compensation balance with gold temperature adjustment screws, adjusted to temperature, blued steel balance spring with double overcoil, index regulator. Movement signed. Dim. 19 x 18 x 6 cm. Notes Philippe René Jaccard was a horloger-mecanicien, working at 12, Rue du Port, Geneva. Swiss patent No. 142508 was granted on 30th September 1930 for his “mouvement d’horlogerie à ressort moteur et à longue période de marche". Literature: The original 1933 photograph of this clock is illustrated in "The World of Vacheron Constantin", Geneva, Lambelet & Coen
Auctioneer:
Antiquorum
Date:
2011-05-15
