Lot Essay
The casemaker Jean-Louis Joly was also responsible for No. 52, by Louis Berthoud, which is being sold as lot 405 in this sale.
SIGNED CONSTRUITE PAR LOUIS BERTHOUD, NO. 2594, 1812
Details
LOUIS BERTHOUD. AN IMPORTANT GOLD OPENFACE QUARTER REPEATING CHRONOMETER POCKETWATCH
Signed Construite par Louis Berthoud, No. 2594, 1812
With typical frosted gilt movement with bridgecock, top plate inscribed Construite par Louis Berthoud No. 2594, free sprung blued steel helical spiral with four arm bimetallic balance, each sector with shaped heat compensation weight and incorporating mean time screw, barrel bridge with four supporting pillars, chain fusee movement with pivoted detent escapement repeating on two gongs by depressing the pendant, the white enamel dial signed Ls Berthoud. Horloger de la Marine, with Roman numerals, subsidiary seconds, Breguet blued steel hour and minute hands, the edge of the dial-plate inscribed No. 2594. Construite par Louis Berthoud, signed on the reverse by the dial maker Droz, in plain consular case numbered 1229 with casemaker's mark JLJ for Jean-Louis Joly, surmounted by a dove in diamond surround, movement and dial signed
64 mm. diam.
Signed Construite par Louis Berthoud, No. 2594, 1812
With typical frosted gilt movement with bridgecock, top plate inscribed Construite par Louis Berthoud No. 2594, free sprung blued steel helical spiral with four arm bimetallic balance, each sector with shaped heat compensation weight and incorporating mean time screw, barrel bridge with four supporting pillars, chain fusee movement with pivoted detent escapement repeating on two gongs by depressing the pendant, the white enamel dial signed Ls Berthoud. Horloger de la Marine, with Roman numerals, subsidiary seconds, Breguet blued steel hour and minute hands, the edge of the dial-plate inscribed No. 2594. Construite par Louis Berthoud, signed on the reverse by the dial maker Droz, in plain consular case numbered 1229 with casemaker's mark JLJ for Jean-Louis Joly, surmounted by a dove in diamond surround, movement and dial signed
64 mm. diam.
Literature
Jean-Claude Sabrier, La Longitude en Mer à l'heure de Louis Berthoud et Henri Motel, Geneva, 1993, p. 353, 416
Anthony G. Randall, The Time Museum of Chronometers, Illinois, 1991, p. 86 & 87.
Anthony G. Randall, The Time Museum of Chronometers, Illinois, 1991, p. 86 & 87.