The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 207

Girard-Perregaux, La Chaux-de-Fonds, Swiss,circa 1920.Fine 18K gold hunting cased, keyless watch with chronograph, pulsometer and instantaneous30 minute recorder.

C. Four body, massive, "demi-bassine", polished. Hinged gold cuvette decorated with medals awarded in different exhibitions. D. White enamel with bold Breguet numerals, outer Arabic minute and chronograph rings, red tachometer scale for30 pulsations, sunk subsidiary seconds and minute register. Blued steel "spade" hands. M. 18''', nickel plated, 24 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Chronograph with visible work and push piece in the band.Signed on the dial, case and movement.Diam. 51 mm.