L\'ART DE L\'HORLOGERIE EN FRANCE DE ...
Geneva, Hotel Des Bergues, Nov 14, 1993
CH. Oudin,Paris, No. 12505, circa 1890. Fine and rare 18 ct. gold, double dial, keyless, moon phase astronomical watch with perpetual calendar.
C.Three body, massive, "bassine et filets", polished, glazed on both faces. D. White enamel on the front, with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Gold " spade" hands. White enamel on the rear face with sunk subsidiary chapters for the days of the week, the month with inner leap-year cycle and the dates, moon phase aperture and small sector aperture for the regulator index (hair lines). M. 19"', gilt brass, three quarter plate, 18 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Signed on both dials, numbered on the front plate. In good condition. Diam. 53 mm.