French 18K rose gold quarter repeating cylinder watch Circa 1810

Rose gold quarter repeater by Berthoud
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A heavy French 18 carat rose gold open faced quarter repeating cylinder pocket watch, circa 1810. Very fine full plate movement, cylinder escapement, repeating the hours and quarter hours on a bell. White enamel dial with Arabic hours, very fine solid rose gold hands. Plain case, engraved rim with small sound openings, floral tendrils, bell. Dial, cuvette and movement signed.
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Diameter: 54 mm
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Weight: 133 g
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Signed: Berthoud à Paris