Gold Watch no. 24

Case: Gold, hunting Dial: White enamel, Movement: Provenance: 18?? - Potter, Geneve 1992 - Antiquorum, 17 Oct 1992, est CHF 28,000 - 32,000 , sold CHF 23,000, "Albert H. Potter & Co. Geneva, No. 24, made, circa 1880. Rare18 ct. gold, hunting cased, keyless pocket chronometer. C. Three body, massive, bassine et filets, engine-turned. D. white enamel with Roman numerals, outer Arabic minute ring 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 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. " 1999 - Antiquorum, 13 Nov 1999, est CHF 30,000 - 35,000 unsold, "Albert H. Potter & Co. Geneva, No. 24, made,circa 1880.Rare 18K gold, hunting cased, keyless pocket chronometer.C Three body, massive, bassine et filets, engine-turned. D. White enamel with Roman numerals, outer Arabic minute ring 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 barrel cap. Patented pivoted detent escapement, shock-absorbing counterpoised and off-set passing spring. Two-arm cut bimetallic balance, helical balance spring, free sprung with trminal curves.Signed on the dial, case and movement.Diam. 56 mm." 2018 - Christie's, 14 May 2018, est CHF 10-15,000, sold CHF 16,250, "Albert H. Potter. A very fine and rare 18K gold hunter case keyless pocket chronometer with pivoted detent escapement Signed Albert H. Potter & Co., Geneva, No. 24, circa 1875 Movement: Potter's patented bridge caliber of 1875, manual, fully jewelled, five jewels in gold chatons, pivoted detent escapement, large bimetallic compensation balance with gold screws, blued steel helical balance spring, signed Dial: white enamel, signed Case: hinged back, engine-turned “grains d’orge”, 55 mm. diam., signed and stamped with Potter's patented trademark"