The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 115

Léon Hatot, Paris, No. 125219, produced in 1939.Fine 18K gold keyless dress watch with pulsometer and 30 minutes instantaneous recorder. Accompanied by the workshop card.

C. Three piece, massive, "variée carrure plate", polished and satiné, the bezel with black champlevé enamelled Arabic numerals. D. Silver satiné with Arabic minute and chronograph ring on the bezel's border, inner red pulsometer scale for 30 pulsations, sunk small subsidiary seconds and minute register. Blued steel "modern" hands. M. 17''', gilt brass,18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance spring. Chronograph with visible work, the button on the winding crown.Diam. 47 mm.