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Lot No. 598 (89th Auction)
John Roger Arnold, London, Patent No. 4501, Movement No. 194, Case No. 194, 52 mm, 134 g, circa 1827

A gentleman's extremely rare pocket watch with early stem-winding system according to Thomas Prest. Arnold’s workshops produced about 210 watches with this patented winding system.
Case: 18k gold, case maker's punch mark "TH" (Thomas Hardy), engine-turned, reeded band. Dial: two-colour silvered, engine-turned, radial Roman numerals, auxiliary seconds at "9", blued spade hands. Movm.: full plate movement, frosted, gilt, signed, English lever escapement, three-arm gold ring balance, blued balance spring with bimetallic compensation curb on the index, patented fine adjusting device, engraved regulator scale, chatoned ruby endstone on balance.

John Roger Arnold (1769 - 1843)
He was born in 1769 as the son of the watchmaker John Arnold. The craft of watchmaking he began in 1783, first apprenticing with his father and from 1792 on with Abraham-Louis Breguet. He was admitted to the Freedom of the Clockmakers Company in 1796 and became a Master in 1817. After the death of his father, John Roger continued the company on his own until 1830. In this year he moved to Strand 48 and started a 10-year partnership with E.J. Dent; business went well during this time and the partners had the possiblitiy to research and experiment, in particular they investigated the influence of magnetism on chronometers. When the partnership ended in 1840, Arnold continued his work until his death in 1843.
Estimate  5,500 - 7,500 €
This is a lot of a former auction!

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