Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
LOT 394
Paul Ditisheim, La-Chaux-de-Fonds, No. 51199, circa 1920. Fine and rare 18 ct. gold keyless pocket chronometer with chronograph, medical tachometer and 30 minute instantaneous recorder, with First Class Certificate from the Observatory of Neuchâtel (Switzerland) and classed as first from 321 watches tested at Kew Observatory.
CHF 15,000 - 18,000
Sold: CHF 14,950
C. Four body, massive, "bassine" polished. Gold cuvette with engraved awards. D. White enamel with Breguet nmerals, outer minute and chronograph rings, tachometric scale calculated for 30 pulses, sunk subsidiary seconds and minute register. Blued-steel Breguet hands. M. 20"' nickeled, 23 jewels, straight line lever escapement, brass-invar Guillaume balance, balance spring with terminal curve. Chronograph with visible work, push-button on the winding crown and boit in the band. Signed on the dial and case. In very good condition. Diam. 54 mm.
