Decorative Swiss watch for the Chinese market Circa 1835

Gold, enamel and pearl set centre seconds cylinder watch by Vaucher Fleurier
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An extremely fine, rare and decorative Swiss 18 carat gold, enamel and pearl set open faced centre seconds cylinder watch made for the Chinese market, circa 1835. Chinese calibre finely chased and engraved entirely floral and scroll decorated gilt finished cylinder movement, glazed dust cover. White enamel dial with Roman numerals and centre seconds. Case with pearl set bezel, rim, pendant and bow, alternating pink and green champlevé enamel decorated band, the back decorated with a polychrome enamel bouquet of flowers made by using two different enamel techniques, champlevé and painted enamel. Dial signed, movement signed and numbered.
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Diameter: 52 mm
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Signed: Vaucher Fleurier