9,775 CHF
L. C. Grandjean, Locle, No. 4892, circa 1880. Very fine 18K gold keyless, double train independent split-seconds "foudroyante" chronograph with return-to- zero. Six-body, "bassine et filets" engine-turned, reeded band, pushbutton at 12 o’clock for stop/start and at 11o’clock for split seconds, gold hinged cuvette over glazed gold bezel for viewing the movement. White enamel,Roman numerals, outer minute ring, outermost chronograph ring with five-minute Arabic figures, sunk sub-sidiary"diablotine" jumping quarter seconds. Gold "Louis XV" hands. 45 mm (20’’’), nickel, "fausses côtes"decoration, 33 jewels, straight line calibrated lever escapement, cut-bimetallic compensation balance, Breguetbalance spring, tandem winding, pin-set.Signed on dial and case.Diam. 57 mm.
Auctioneer:
Antiquorum
Date:
2004-04-24