Important Watches, Wristwatches and c...
Tokyo, Dec 15, 1989
Louis Bornand, Genève, circa 1890. Unusual and rare 18 ct. gold five minute repeating moon phase astronomical keyless watch with a perpetual calendar, a chronograph and an alarm.
Four body massive "Empire" polished case. Glazed gold cuvette. White enamel dial with Roman numerals, outer red Arabic minute and chronograph rings, moon phase aperture with its age on the edge, subsidiary dials for the months, the dates and the alarm with inner days of the week and outer subsidiary seconds. Blued steel "spade" hands. Gilt brass 19double train movement with a differential winding, 32 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. The chronograph with a visible work and a push piece on the winding crown. Repeating on gongs by means of a slide on the band. The alarm striking on gongs. Signed on the dial. In very good condition. Diam.: 58 mm.