Watch Data

Gold Watch no. 132




18?? - Potter, Geneve

1991 - Antiquorum, 20 Oct 1991, est CHF 14,000 - 18,000 , sold CHF 19,550 , "Albert H. Potter & Co. Geneva, No.132, case No.3176, circa 1880. Important 18 ct. gold hunting-cased keyless pocket chronometer. C. American three body, massive, "bassine", polished. D. White enamel with Roman numerals and sunk subsidiary seconds. Blued-steel "spade" hands. M. Glazed, 21"', nickeled patented caliber, "fausses cĂ´tes" decoration, 21 jewels, majority in screwed gold settings, great wheel screwed on to the barrel cap.Patent pivoted detent escapement, shock-absorbing counterpoise and off-set passing spring. Two arm cut bimetallic balance, bluedsteel helical balance spring, free-sprung with terminal curves. Signed on the dial and movement. In very good condition. Diam. 56 mm. This watch employs three of Potter's patents, the details of which are engraved on the bridges.The plate design, which is a virtual machining from the solid, was patented on Jan. 4.76, the escapement, and presumably the great wheel design, on Oct. I l . 75. Albert Potter's work is not only rare, but always of top quality and completely original design."

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