Swiss cylinder watch made for the Chinese market Circa 1810

Gold, enamel and pearl-set cylinder watch with centre seconds
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A fine, rare and large Swiss 18 carat gold, enamel and pearl-set open faced centre seconds cylinder pocket watch made for the Chinese market, circa 1810. Gilt-brass full plate movement, engraved with foliate decoration on the border, standing barrel, cylinder escapement, three-arm plain brass balance, flat balance spring, continental balance cock with polished steel endplate, index regulator with an engraved scale on the backplate. White enamel dial with Roman numerals, outer minute divisions and original blued steel poire hands. Hinged and sprung bezel decorated with two concentric rows of split pearls, the case back decorated with a painted on enamel scene of a young lady in a yellow dress holding a letter and a pink rose, while to the right an old man from behind a curtain offers her a bag of money to surrender her virtue, outer border decorated to match the bezel.
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Diameter: 57 mm
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Signed: No name