Swiss rare gilt two train 8-day watch, Chinese market Circa 1850

Rare gilt metal, two train 8-day watch
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A Swiss rare gilt metal, enamel and pearl open faced two train 8-day center seconds watch made for the Chinese market, circa 1850, gilt Chinese two-train movement, duplex escapement, steel balance with blued steel weights, finely chased and engraved with foliate scrolls.
White enamel dial, radial Roman numerals, center seconds, 18k yellow gold case, the back with a painted enamel floral bouquet over pink ground, bezels set with pearls, glazed cuvette, movement signed with Chinese characters.
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Diameter: 57 mm
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Signed: Dimier Freres
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The movement of this watch is of a rare construction, situated with two barrels and a bridge in between, ending with the balance. Charles-Louis and Auguste-Antoine Dimier founded their manufacture in La Chaux-de-Fonds, and further expanded to Fleurier in 1846. Charles eventually established a branch in China, before returning to Europe around 1860 during a period of war when trade between the two continents faltered.