Rare Swiss gilt duplex watch for the Chinese market Circa 1860

Enamel and pearl set center seconds duplex by Edouard Juvet
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A small Swiss pocket watch with centre seconds made for the Chinese market by Juvet, circa 1860.
Gilded metal, enamel and pearl-set, open faced, key winding, round shaped, small pocket watch, with centre seconds, made for the Chinese market. Case back with polychrome painting on enamel, by an unidentified workshop, probably Geneva, showing a bunch of multicoloured flowers and leaves on a green enamel background; fluted caseband; bezels, pendant and bow set with half-pearls.
Gilded brass movement, Chinese style, with going barrel, duplex escapement, monometallic balance (polished steel) with blued steel wings balance and blued steel flat hairspring.
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Diameter: 38.5 mm
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Signed: Edouard Juvet