Gold Watch no. 17

Case: Dial: Movement: Provenance: 18?? - Potter, Geneve 1994 - Antiquorum, 10 Apr 1994, est CHF40-50,000, unsold, "Albert H. Potter & Co. Geneva, No. 17, made circa 1880. Rare 18 ct. gold, hunting cased, keyless pocket chronometer. C. Three body, massive, "bassine et filets" polished. Glazed gold cuvette. D. White enamel with Roman numerals and sunk subsidiary seconds. Blued steel Breguet hands. M. 21-, nickel plated, patented caliber, " fausses côtes" decoration, 21 jewels, majority in screwed gold settings, great wheel screwed on to the barre) cap. Patented pivoted detent escapement, shock-absorbing counterpoised and off-set passing spring. Two armed cut bimetallic balance, free sprung helical balance spring with terminal curves. Signed on the dial, case 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 virtual machining from the solid, was patented on January 4, 1875, 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. " 2000 - Antiquorum, 15 Oct 2000, est CHF 30,000 - 35,000, unsold, "Albert H. Potter & Co. Geneva, No. 17, circa 1880.Very fine and rare 18K gold hunting-cased keyless pocket chronometer. C. Three-body, massive, 'bassine et filets' engine-turned in barleycorn pattern. D. White enamel with Roman numerals and sunk subsidiary seconds, snap-on fit, blued-steel Breguet hands. M. 20 ???, nickel, patented caliber, 'fausses côtes' decoration, 22 jewels, most 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-arm cut bimetallic balance, free-sprung helical balance spring withterminal curves.Signed on the dial, case and movement.Diam. 56 mm.. This watch employs three of Potter?s patents, the details of which are engraved on the bridges. The plate design was patented on January 4, 1875, 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 offering completely original design. " 2021 - Antiquorum, 6 Nov 2021, est CHF10-20,000, sold CHF26,250, "Very fine and rare 18K gold hunting-cased keyless pocket chronometer., Brand Albert H. Potter & Co Year Circa 1880 Movement No. 17 Diameter 56 mm Caliber 20’’’, nickel, patented caliber, ‘fausses côtes’ decoration, 22 jewels, most 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-arm cut bimetallic balance, free-sprung helical balance spring with terminal curves. Signature Dial, Case and Movement Notes This watch employs three of Potter’s patents, the details of which are engraved on the bridges. The plate design was patented on January 4, 1875, 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 offering completely original design. "