Important French quarter repeater with calendar Circa 1820

Gold gentleman’s pocket watch by Le Roy
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An important French gentleman’s pocket watch with quarter repeating and calendar, circa 1820. Former property of a noble family.
18 Carat gold engine-turned case with an engraved noble family crest on the oval cartouche, a reeded band, a signed gold dome, and a pusher for repetition via pendant. Signed two-tone gilt dial with an engine-turned centre, radial Roman hours, two subsidiary chapter rings for indications of the weekday and the date, and blued Breguet hand. Bridge movement, keywind, frosted and gilt, with two hammers / two gongs, going barrel, cylinder escapement, ring balance, blued balance spring with bimetallic compensation curb on the index, and chatoned diamond endstone on balance.
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Diameter: 46 mm
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Weight: 91 g
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Signed: Le Roy, Horloger de S.A.L. et R. Madame à Paris