6,600 CHF
Pocket Chronometer William Mottu, Geneve. Made for the English market, circa 1850. Fine and rare, 18K gold pocket chronometer with unusual banking for the detent. Four-body, “bassine et filet”, Mastermark “PM”, engine-turned and polished. Hinged gold cuvette. White enamel with radial Roman numerals, outer minute track, subsidiary seconds. Blued steel spade hands. 40 mm, 18’’’, frosted gilt, half-plate, fusee and chain with Harrison’s maintaining power, Earnshaw type chronometer escapement with spring footed detent, spring footed banking arm parallel to the detent, free-sprung cut bimetallic compensation balance with gold temperature and mean time adjustment screws, blued steel helical balance spring, diamond endstone. Dial and movement signed. Diam. 48 mm.
Auctioneer:
Antiquorum
Date:
2008-03-16
