28,750 CHF
The Three-Hand Chronograph Watch The Only Known Example Swiss, Schaffhausen, No. 9974. Made circa 1890. Very fine and exceptionally rare, possibly unique, large, silver keyless pocket watch with three-hand chronograph and instantaneous 30-minute register, five hands from the same central axis and single button governing all five functions. Four-body, bassine, polished, master mark J.K.G, co-axial button in the crown for the start/stop and return-to-zero functions of the chronograph. Hinged silver cuvette. White enamel with Arabic numerals, outer minute track and outermost fifths of a second divisions with Arabic fivesecond numerals, subsidiary seconds and instantaneous 30-minute register. Blued steel spade hands. 22’’’, rhodium plated, wavy-line decoration, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with Philips terminal curve, index regulator, the chronograph mechanism with two sets of three stacked wheels driven directly from the stack on the fourth wheel pivot via three stacked intermediary wheels engaged when the crown is depressed for each function, large castle wheel with four pillars, each with three steps. Case and movement numbered, case with Schaffhausen poinçon. Diam. 62 mm. Notes The present watch is the only known example of a pocket watch with three true chronograph hands function, it is also one of the very few watches to have five hands from the central axis. All five functions of the chronogra
Auctioneer:
Antiquorum
Date:
2011-05-15
