Important Watches, Wristwatches, Cloc...
Basel April 21, 1990, Apr 21, 1990
LOT 361
Courvoisier, Jonais, Chaux-de-Fonds, Suisse, Patent No. 122, circa 1890. Fine and unusual 18K gold double face keyless triple calender watch.
CHF 8,000 - 10,000
Three body massive "bassine et filets" case glazed on both sides. On the front face a white enamel dial with Roman numerals, outer Arabic minute ring and subsidiary seconds. Blued steel "spade" hands. On the reverse white enamel dial with small subsidiary chapters for the days of the week and the months, outer calender indication. Blued steel hands. Nickel plated 18" movement, " a vagues" decoration, 18 jewels, equilibrated straight line lever escapement, cut bimetallic balance, Breguet balance spring. the hinged calender work bearing a coat of arms is driven by a wheel revolving once a day. Signed on both dials and on the movement. In very good condition. Diam. 51 mm.
