ALBERT H. POTTER & CO

ALBERT H. POTTER & CO, SWITZERLAND, MINUTE REPEATER POCKET WATCH, 18K YELLOW GOLD A very fine and rare, 18k yellow gold, manual wind open-face, keyless-winding minute-repeating pocket watch. White enamel dial with subsidiary seconds at 6 o’clock and blued steel Breguet hands. Minute repeater on two steel gongs, activated by a slide at 6 o’clock. Glazed cuvette revealing the movement. Brand: Albert H. Potter & Co, Switzerland Year: circa 1880 Case: 68707 Movement: 322 Caliber: 43 mm., maillechort movement, 31 jewels, including eight jewels set in screwed gold chatons, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, and repeater on two gongs activated by a slide in the band. Diameter: 51 mm. Weight: 126 gr. Signature: Dial and movement Grading System: AAA (Excellent) Case: 3-8 (Good , Slightly scratched) Dial: 3-01 (Good , HANDS Original) Movement: 3-6* (Good , Slightly oxidized , Overhaul recommended, at buyer's expense) HKD: 96,000 - 144,000 USD: 12,200 - 18,300 EUR: 10,800 - 16,200 JPY: 1,920,000 - 2,880,000 Case back engraved with the cypher “G C M”. Interior of the case back fitted with a tintype (also known as a melainotype or ferrotype) portrait of a lady. Tintype A tintype, also known as a melainotype or ferrotype, is a photographic technique developed in 1852 by Adolphe-Alexandre Martin (1824-1896) in Paris, professor of physics at Sainte-Barbe College and member of the French Society of Photography from 1855 to 1896. It’s made by creating a direct positive on a thin sheet of metal coated with a dark lacquer or enamel and used as the support for the photographic emulsion. Tintypes enjoyed their widest use during the 1860s and 1870s, but lesser use of the medium persisted into the early 20th century and it has been revived as a novelty and fine art form in the 21st.

估價:$12,094.46

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