42,500 CHF
GRANDE ET PETITE SONNERIE CLOCKWATCH BULLETIN D OBSERVATOIRE YELLOW GOLD Swiss, retailed by Hauser Zivy & Cie. , Mexico-Paris, "La Esmeralda", No 6871. Made circa 1900. Very fine and extremely rare, large hunting-cased, 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. 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. Notes Dial and cuvette signed for the retailer. DIAM. 57 mm. THICKNESS 16 mm. Any complication such as a striking train affects the timekeeping of a watch meaning that watches with striking, repeating or chronographs were not usually submitted for observatory trial, certainly a clockwatch would not normally be considered t Read more…
Auctioneer:
Antiquorum
Date:
2016-05-15
