420,000 HKD
Watch with 11 Complications Ed. Koehn, Sucr. De H.R. Ekegren, Genève, No. 78067. Made circa 1900. Very fine and extremely rare, large, two-train, trip minuterepeating, grande and petite sonnerie striking, 18K yellow gold keyless clockwatch with perpetual calendar, moon phases and lunar calendar. Four-body, “bassine”, polished, correctors in the band. Hinged gold cuvette. White enamel with black radial Roman numerals, outer minute track, subsidiary dials for the months and four-year cycle, the date, days of the week, seconds combined with lunar calendar (in red), aperture for the phases of the moon. Black pear hands. 20’’’, frosted gilt, 33 jewels, two-trains with twin barrels and differential winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance with gold temperature and platinum meantime adjustment screws, blued steel Breguet balance spring with overcoil, swan-neck micrometer regulator, striking and repeating on gongs by means of a trip slide on the band, sonnerie/silence and petite sonnerie/grande sonnerie selection levers under the bezel. Movement signed. Diam. 58 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 Ek
Auctioneer:
Antiquorum
Date:
2008-06-08
