Charles Bertrand, Horloger de l'Académie Royale des Sciences, à Paris, No. 1414, circa 1788. Fine 18 ct. gold and enamel, pearl and diamondset watch. | L\'ART DE L\'HORLOGERIE EN FRANCE DE XVIe AU XXe SIÈCLE | Geneva, Hotel Des Bergues, 14th November 1993

L\'ART DE L\'HORLOGERIE EN FRANCE DE ...

Geneva, Hotel Des Bergues, Nov 14, 1993

LOT 111

Charles Bertrand, Horloger de l'Académie Royale des Sciences, à Paris, No. 1414, circa 1788. Fine 18 ct. gold and enamel, pearl and diamondset watch.

CHF 8,000 - 10,000

C. Double body, Louis XVI, with split-pearl set bezels, the back of translucent blue enamel over engine-turning, with applied diamond-set initial " R". D. White enamel with Roman numerals and outer Arabic minute ring. Gold "poker and beetle" hands. M. Hinged gilt brass full plate with cylindrical pillars, fusee with chain, verge escapement, plain brass three-arm-balance, flat balance spring, gilt brass continental cock with polished steel end-piece. Signed on the back plate. In very good condition. Diam. 45 mm.

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Bertrand Joseph-Charles-Paul, son of Jacques, born in 1746 in Nettancourt, near Châlons. He vas apprenticed in Paris in 1761 and produced his masterpiece in 1770. He worked in Rue Montmartre from 1787 to 1789. Watchmaker to the Académie Royale des Sciences, he made several clocks with equation of time.