Sold for:
4,484 CHF

Independent Center-Seconds & 1/4 Secondes Foudroyantes Chas. E. Jacot, Locle, Chaux de Fonds, No. 6418. Made circa 1870. Very fine and rare, 18K gold, hunting-cased pocket watch with Charles. E. Jacot’s patented two-train independent center-seconds and quarter-second diablotine. Four-body, "bassine et filets", engine-turned covers with polished borders, reeded band. Hinged gold cuvette with engine-turned border. White enamel, radial Roman numerals, outer minute track, outermost seconds divided into fifths, subsidiary quarter-second jump diablotine. Gold "Breguet" hands with blued steel tips. Notes Charles E. Jacot (1817-1897) Worked in La Chaux de Fonds, Le Locle, Baltimore and New York. He was a prolific inventor and innovator, especially of escapement work. At the age of 19 he visited his cousin, the son of Abraham Perrelet, in Le Locle and became involved with watchmaking. In 1837, he went to New York City, where he was to stay for 20 years. Jacot invented a modification of the duplex escapement with a jumping seconds hand, known as the “Jacot Duplex”, used extensively in watches made for the Chinese market. While in America, he registered 12 American patents for perfecting the construction of watches. The stop-watch feature on the present watch was patented on June 8, 1858, by which time Jacot had already returned to Switzerland. There he founded the Jacot & Salzmann firm in La Chaux de Fonds. By the 1870s his firm was called Charles E. Jacot. One of the founde


Antiquorum

Auctioneer:
Antiquorum

Date:
2007-11-11

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