The van Cauwenbergh Collection
Hong Kong, Hotel Furama, May 29, 1989
Anonymous, Swiss, circa 1820.
Unusual 18-carat gold jumping hour watch with calendar. Three body 'Empire' engine turned case. Gilt brass cuvette. Engine turned dial with jumping hour and date apertures, minute chapter ring and subsidiary off-set seconds. Gilt brass later single Breguet hand. Gilt brass bar movement, three jewels, cylinder escapement, plain brass three armed balance. In good condition. Diam. 54 mm.