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Auktionen Dr. Crott 91st Auction

617 Charles Fasoldt, “Patent Chronometer”, Albany New York, Movement No. 172, Case No. X205, 55 mm, 122 g, circa 1860  A complicated American precision watch “Patent Chronometer” with Fasoldt’s patented coaxial double-wheel lever chronometer escapement - with photographical documentation Case: silver, signed “A.W.CO.”, engine-turned, reeded band. Dial: enamel, radial Roman hours, auxiliary seconds, signed, blued Breguet hands. Movm.: bridge movement, keywind, gilt, signed “Pat. Feb. 1.1859 / Apr. 5.1864 & Mar. 7.1865”, train with six-armed wheels, wolfteeth winding wheel, Fasoldt’s patented double-wheel lever chronometer escapement, escape wheel with large locking and small impulse wheel, gold screw compensation balance, blued balance spring, Fasoldt’s patented special form fine adjusting device. Charles Fasoldt, “Patent Chronometer”, Albany New York — 複雜功能 的美國精密懷錶,Fasoldt專利設計的雙輪工式時計擒縱,附相簿 資料文件 40476  C: 2, 11 D: 2 M: 2, 41, 51  32.000 - 38.000 EUR 35.200 - 41.800 USD 288.000 - 342.000 HKD