336,000 HKD
Grande & Petite Sonnerie Clockwatch - Bulletin de l'Observatoire Swiss, retailed by Hauser Zivy & Cie. , Mexico-Paris, "La Esmeralda", No 6874. Made circa 1900. Very fine and extremely rare, large 18K yellow gold, trip minute-repeating, two-train, grande and petite sonnerie keyless chronometer clockwatch, Bulletin de l'Observatoire obtained at the Observatory of Neuchatel in 1902. Accompanied by the Bulletin de Marche, original red leather fitted case with two spare glasses and an extra three-piece enamel dial. Four-body "demi-bassine et filets carrure ronde", polished with engine-turned back. Hinged gold cuvette engraved with the technical and retail details highlighted with blue, white and black enamel. White enamel, three-piece with narrow radial Roman numerals, subsidiary seconds. Black steel pear hands. 44 mm., 19’’’, rhodium-plated, fausses cotes decoration, twin barrels with differential tandem winding, 36 jewels, three in screwed chatons, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring with overcoil and swan-neck micrometer regulator, striking and repeating on gongs by means of a trip slide on the band, sonnerie/silence and petite sonnerie/grande sonnerie selection levers under the bezel. Dial and cuvette signed for the retailer. Diam. 57 mm. Notes Any complication such as a striking train affects the timekeeping of a watch meaning that watches with striking, repeating or chronographs were not usually
Auctioneer:
Antiquorum
Date:
2008-06-08
