French 20K gold enamel quarter repeating watch Circa 1750

Gold and enamel decorative quarter repeating watch
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A French François Jolly decorative pocket watch, dumb quarter repeater à toc and à tact, en pâte technique enamel fleurs à relief décor; 20 Carat yellow gold and enamel, circa 1750. 20 Carat yellow gold and enamel, open faced, key winding, round shaped, Louis XV pocket watch, with white enamel dial and dumb quarter repeater à toc and à tact. Case back and bezel polychrome enamelled with fleurs à relief décor in en pâte technique on green flinqué enamel (translucent enamel over guilloché engine-turning) background, in the manner of Louis François Aubert (1721-1755).
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Diameter: 47 mm
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Weight: 105 g
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Signed: François Jolly
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Jolly, François-Antoine, Paris, Parisian watchmaker received as Master in 1747, active place Dauphine. Seems to have died prematurely in 1752.