Sold for:
18,750 CHF

Watch With 5 Complications Ed. Koehn, Genève, “Chronomètre 1ere Qualité”, No. 64340. Made circa 1900. Very fine and rare, large, 18K yellow gold keyless pocket watch with perpetual calendar, moon phases and lunar calendar. Four-body, “bassine”, polished. Hinged gold cuvette engraved with the technical details. White enamel with black Breguet numerals, outer minute track, subsidiary dials for the months and four-year cycle, the date, day of the week, seconds combined with lunar calendar (in red), aperture for the phases of the moon. Black Breguet hands. 1st quality, 19’’’, rhodium-plated, 21 jewels, wolf’s tooth winding, straight-line “moustache” lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with double overcoil, screw micrometer regulator. Cuvette signed. Diam. 52 mm. Notes Edward Koehn (1839-1908) Was the son of Karl Koehn, a watchmaker to the court of the Grand Duchy of Saxe-Weimar-Eisenach. He came to Geneva in 1859, and studied at the Ecole d’Horlogerie. In 1861, he began working at Patek Philippe, as a mere employee. After 15 years of loyal service, he became Director. In 1891, Edward Koehn left Patek and bought the Robert Ekegren firm. Koehn constructed very high quality flat and extra-flat watches, repeating watches, chronographs, and fly-back chronographs. The firm, at the Grand Quai, made watches for Tiffany, New York, and on June 8, 1912, patented a watch with hanging barrel and pendant winding, as well as the “Rosea


Antiquorum

Auctioneer:
Antiquorum

Date:
2011-05-15

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