French 18 carat gold pearl set pendant watch Circa 1820

Small open faced pendant watch
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A small French gold open faced pendant watch studded with half pearls, circa 1820. Full plate gilt chain/fusee verge movement with a three-arm brass balance, pierced and engraved balance bridge with polished steel coqueret.
The case back is decorated with a wavy pattern, both sides set with half pearls.
Gilt dial with Roman numerals, outer minute division and blued Breguet hands.
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Diameter: 30 mm
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Weight: 20 g
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Signed: No name
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Reference 0010000