43,750 CHF
EXCEPTIONAL & HIGHLY COMPLICATED MINUTE REPEATER WITH CONTINUOUS AND STOPPABLE SPLIT CENTER SECONDS, CALENDAR & THERMOMETER Attributed to Louis Audemars, Brassus, case No. 2296, retailed by Marcks & Co., Bombay & Poona. Made circa 1860. Extremely fine and exceptionally rare, large, minute-repeating, 18K gold keyless pocket watch with continuous sweep center-seconds with stoppable and jumping extra split hand, triple-date calendar, moon phases, lunar calendar, Réaumur thermometer and gold wheel train. Four-body, bassine et filets, polished, master mark "AM"engine-turned back cover, correctors in the band, button in the crown for the stopping and re-join of the split hand. Hinged gold cuvette. White enamel with radial Roman numerals, outer minute divisions and Arabic five-minute numerals, subsidiary dials for the date, days of the week and months, aperture for the moon phases with lunar calendar on the edge and Réaumur thermometer sector below. Yellow gold spade hands, blued steel date and seconds hands. 20''', matte gilt, 32 jewels, wolf's tooth winding, large going barrel, gold wheel train, counterpoised straight line lever escapement, cut bimetallic compensation balance with gold meantime and temperature adjustment screws, blued steel Breguet balance spring with overcoil, index regulator, repeating on gongs activated by a slide on the band, Réaumur thermometer bimetallic curb mounted on the dial plate. Notes Dial and cuvette signed Marcks & Co, Bombay & Poona. DI
Auctioneer:
Antiquorum
Date:
2008-11-09
