The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 188

Ulysse Nardin, Locle & Genève, No. 202390,case No. 376681, circa 1912.Fine 18K gold hunting cased, keyless watch with chronograph, pulsometer and instantaneous30 minute recorder.

C. Four body, massive, "bassine", polished. Hinged gold cuvette. D. White enamel with Breguet numerals, outer Arabic minute and chronograph rings, red tachometer scale for 30 pulsations, sunk subsidiary seconds and minute register. Blued steel "spade" hands. M. 19''', nickel plated, 24 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. with swan neck micrometric index. Chronograph with visible work and push piece in the band.Signed on the dial, case and movement.Diam. 50 mm.