12,650 CHF
L. Leroy & Cie., Horlogers de la Marine, 7 Bd. de La Madeleine, Paris, No. 14839/14578, case made in 1921. Very fine 18 ct. gold, keyless watch with chronograph and instantaneous 60 minute recorder, awarded a gold medal at the contest organised by the National Observatory of Besançon from March 4th to April 23 1924. In original mahogany fitted box, with a First Class Certificate from the National Observatory of Besançon. hree body, massive, "bassine", polished, the back engraved with the monogram "KL". Gold cuvette. White enamel with Arabic numerals, outer minute and chronograph rings, sunk subsidiary seconds and minute register. Notes Mean average daily rate: +/- 0.21 Mean average in 6 position: +/- 0.47 Compensation error: - O. 059 Restart period: + 0.38
Auctioneer:
Antiquorum
Date:
1993-11-14
