196,000 CHF
The English Flying Tourbillon S. Smith & Son, Makers to the Admiralty and the Indian Government, 9 Strand, London, No. 1901-23, hallmarked 1900-01. Exceptional and historically important large 18K gold keyless pocket chronometer with non-magnetic six-minute flying tourbillon regulator by Robert Benson North, early two-button, four-function chronograph, 12-hour register, free-sprung palladium balance spring, and tachometer scale. Five-body, by "SS" (Samuel Smith), "pommes", polished, double bezel, gold glazed cuvette, swivel anti-theft pendant by "G.J.". Off-white enamel, by master dialmaker Willis, radial Roman numerals, outer minute divisions, seconds divided into fifths, outermost tachometer scale calibrated for miles per hour from quarter mile distances, subsidiary sunk 12-hour and minute register with radial Roman numerals, subsidiary sunk seconds. Gold "spade" hands. 48.5 mm, frosted gilt 3/4-plate, jeweled to the center, jewels mostly in screwed chatons, six-minute flying tourbillon platform set on the 3rd wheel pinion also driving an additional seconds pinion, gold lateral counterpoised lever escapement and gold escape wheel, cut-bimetallic compensation balance with gold temperature and platinum mean time screws, free-sprung palladium double-overcoiled balance spring with Phillips’ innner and outer terminal curves, diamond endstone in screwed chaton, Nicole Nielsen chronograph mechanism.Signed on dial and movement, case and the movement with the same serial
Auctioneer:
Antiquorum
Date:
2004-04-24