340,900 CHF
“Extra Large One-Minute Tourbillon-First Prize Geneva Observatory 1929” Patek Philippe & Cie, Geneve, No. 198323, case No. 415868. movement made in 1924, cased in 1930 after the chronometer contest, and sold on April 30, 1959. Extremely fine and exceptionally rare, extra large, 18K yellow gold keyless pocket lever chromometer with "Extra" quality movement, one-minute tourbillon regulator by J. Golay-Audemars, adjustment by Golay-Audemars, Guillaume balance, first prize winner at the Observatoire de Geneve contest, 1929, category A. Re-tested in 1959, regulated on this occasion by Andre Zibach. Accompanied by the Extract from the Archives and the Bulletin de Marche of 1959. Four-body, “bassine”, polished, concealed hinge. Hinged gold-rimmed glazed cuvette. Matte silver with applied yellow gold faceted baton indexes, outer minute divisions, subsidiary seconds. Yellow gold “Dauphine” hands. 50 mm., 22’’’, "Extra", rhodium-plated, “fausses côtes” decoration, 18 jewels, one-minute tourbillon regulator by Golay-Audemars, three equidistant arm polished steel cage and bridge, calibrated and counterpoised lateral lever escapement, Guillaume cut anibal-brass compensation balance with winged arms, adjusted to heat, cold, isochronism and five positions, 18 gold peripheral temperature adjustment screws, blued steel Breguet balance spring, index regulator. Dial, case and movement signed. Diam. 60 mm. Notes The present watch was submitted for trial at the Observatoire de Geneve in
Auctioneer:
Antiquorum
Date:
2006-11-12
