French gold and enamel verge pendant watch Circa 1780

Gold and enamel pendant watch
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A charming French 18 carat gold and enamel open faced verge pendant watch, circa 1780. The Louis XVI case with a hinged and sprung bezel decorated with enamel half-pearls, the back overlaid with royal blue guilloché enamel, and an enamel half-pearl border. White enamel dial with Roman hours, an outer minute track, Arabic five-minute numerals and blued steel Breguet hands. Frosted gilt full plate movement, cylindrical pillars, fusee with chain, verge escapement, three-arm brass balance, flat balance spring, a pierced and engraved continental type balance clock, silvered regulation dial. Movement signed and numbered.
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Diameter: 35 mm
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Signed: Chs. Le Roy à Paris