74,750 CHF
L. Leroy & Cie., Horlogers de la Marine, 7, Boulevard de la Madeleine, Paris, No.11583, circa 1910. Very fine 18 ct. gold, keyless, minute repeating, moon phase astronomical watch with perpetual calendar, split-seconds chronograph and 30 minute instantaneous recorder. Three body, massive, "bassine", polished. Gold cuvette. Silver engine-turned with Arabic numerals, outer Arabic minute and chronograph rings, sunk subsidiary dials for the days of the week, the months of the leap-year cycle with outer minute register, the date and the seconds with inner moon phase aperture. blued-steel " spade" hands. 18-, gilt brass, 32 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Repeating on gongs with slide in the band. Chronograph with visible work and button on the winding crown, the split-seconds push piece in the band. Signed on the dial, cuvette and movement. In very good condition. Diam. 54 mm.
Auctioneer:
Antiquorum
Date:
1993-11-14
