22,500 CHF
FOUR HAMMER & FOUR GONG GRANDE & PETITE SONNERIE INDEPENDENT MINUTE-REPEATING THREE-TRAIN CLOCKWATCH Swiss, ‘Repassée par Bourdin, Rue de la Paix 28, Paris’, case No. 6008. Made circa 1870. Extremely fine and rare, large, heavy 18K gold, three-train Grande and Petite sonnerie striking half-hunting cased clockwatch with independent slideactivated minute-repeating, a total of four gongs and four hammers, two for the striking and two for repeating. C. Four-body, bassine et filets, polished, master mark ‘EM’, the hinged and sprung front cover with radial royal blue champlevé enamel Roman numerals and inner minute divisions around the glazed aperture, the back cover with champlevé royal blue enamel monogram of mirrored ‘LL’ within foliate scrolls. Hinged gold cuvette. D. White enamel with radial Roman numerals, outer minute divisions and red Arabic five-minute numerals, subsidiary seconds at 9 with red Arabic 10-second numerals. Blued steel double spade hands. M. 43 mm., mate gilt, standing barrels for the going and striking trains, repeating barrel wound by the slide on the band, 37 jewels, lateral lever escapement with banking by two pins, cut bimetallic compensation balance with gold meantime and temperature adjustment screws, blued steel Breguet balance spring with overcoil, index regulator, striking with two hammers on two gongs and repeating with two further hammers on two further gongs. Cuvette signed Repassée par Bourdin. DIAM. 54 mm. Notes KEW OBSERVATORY TRIALS FOR
Auctioneer:
Antiquorum
Date:
2013-05-12
