183,750 CHF
VACHERON ONE MINUTE TOURBILLON 1ST PRIZE AT GENEVA OBSERVATORY Vacheron & Constantin, Genève, No. 413628, case No. 258440. Made in 1931. Extremely rare and important, 18K gold, keyless pocket watch with one minute tourbillon regulator and Guillaume balance, specially adjusted for the 1931 Geneva Observatory Contest obtaining first prize. Accompanied by an extract of the Geneva Observatory. Three-body, "bassine", polished, with concealed hinge. Glazed gold-rimmed cuvette. White enamel with Arabic numerals, outer minute track, subsidiary seconds. Blued steel "Breguet" hands. 42 mm. (19'''), rhodium-plated, "fausses-côtes" decoration, 19 jewels, wolf's tooth winding, one minute tourbillon regulator, the carriage with three polished steel equidistant arms and matted steel bridge, straight-line lever escapement, cut Guillaume anibal- brass compensation balance with gold temperature adjustment screws, blued steel Beguet balance spring, index regulator. Notes Dial, case and movement signed. DIAM. 54 mm. The present watch was submitted to the GENEVA OBSERVATORY in 1931 and won first prize. It was one of a special group of watches, all with tourbillon regulators, and all adjusted under the direction of master adjuster E. OLIVIER AND BRAHIER, for the 1946 and 1947 Geneva Timing Contest. The results surpassed all expectations: the first three places in 1947 were taken by VACHERON CONSTANTIN, and the alltime record was broken, with 883.8 points. In particular, the record
Auctioneer:
Antiquorum
Date:
2016-05-15
