Swiss gold miniature watch for the Chinese market Circa 1800

Gold, enamel and pearl miniature watch
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A Swiss 18 carat yellow gold, painted on enamel and pearl set miniature pocket watch, circa 1800. Made for the Chinese market. The case with polychrome painted on enamel, a bouquet of summer flowers, turquoise blue coloured ground, bezels, a pendant set with split pearls. White enamel dial with Roman numerals, outer minute and seconds divisions, and original gold hands. Cylinder escapement, Signed on the dial and movement signed Boyer A Genève.
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Diameter: 28 mm
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Signed: Boyer  Genève
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Missing a minute hand and some pearls
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Jean-Antoine Boyer and Charles Boyer, as Boyer & Fils, were makers and retailers of decorative watches from the 1800s to the 1870s.