Sold for:
23,000 CHF

Albert H. Potter & Co. Geneva, No. 24, made, circa 1880. Rare18 ct. gold, hunting cased, keyless pocket chronometer. Three body, massive, bassine et filets, engine-turned. white enamel with Roman numerals, outer Arabic minute ring and sunk subsidiary seconds. Blued steel Breguet hands. 21-, nickel plated, patented caliber, fausses côtes decoration, 21 jewels, majority in screwed gold settings, great wheel screwed on to the barrel cap. Patented pivoted detent escapement, shock-absorbing counterpoised and off-set passing spring. Two armed cut bimetallic balance, helical balance spring, free sprung with terminal curves. Signed on the dial, case and movement. In very good condition. Diam. 56 mm. Notes This watch employs three of Potter's patents, the details of which are engraved on the bridges. The plate design, which is virtual machining from the solid, was patented on January 4, 1876, the escapement and presumably the great wheel design, on October 11, 1875. Albert Potter's work is not only rare, but always of top quality and completely original design.


Antiquorum

Auctioneer:
Antiquorum

Date:
1992-10-17

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Auctioneer:
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Date:
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