French gold repeating cylinder watch with calendar Circa 1780

Gold and champlevé quarter repeater  with calendar by Furet
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A very fine French 20 carat gold and champlevé enamel open faced dumb quarter repeating cylinder pocket watch with calendar, circa 1780. Hinged gilt brass full plate movement with conical pillars, fusee with chain, cylinder escapement, plain brass three armed balance, flat balance spring, gilt brass continental cock with polished steel end piece, repeating on the case activated by depressing the pendant. White enamel dial with gilt Breguet numerals, outer star minute divisions and gilt fifteen minute numerals, inner calendar ring, original gold Breguet hands and gold heart calendar hand. The case back finely decorated withy champlevé enamel in a trellis pattern, the border and bezel decorated with alternating black and white champlevé enamel circles and lozenges, gilt brass dust cap. Dial plate edge, dust cap and movement signed.
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Diameter: 49 mm
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Signed: Furet Horloger du Roy à Paris