Swiss silver duplex made for the Chinese market Circa 1860

Silver and enamel centre second watch
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A very fine Swiss silver and enamel open faced centre second pocket watch with duplex escapement made for the Chinese market, circa 1860. The spring-loaded case back is finely painted on enamel depicting a noble young man against a blue guilloché background, the bezels with a repeated champlevé enamel pattern of foliage, the pendant and bow decorated to match. Silver cuvette hinged to the movement ring.
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White enamel dial with radial Roman numerals, outer minute and seconds divisions with fifteen-minute Arabic numerals, black spade hands. A gilt-brass movement, fully engraved Chinese calibre, free-standing barrel, jewelled single wheel duplex escapement, five-arm steel balance with flat rim, flat steel balance spring, and an index regulator. Movement signed and numbered.
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Diameter: 56 mm
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Signed: Edouard Juvet Fleurier
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The case is slightly scratched and chipped.