Swiss silver watch made for the Chinese market Circa 1890

Silver lever with centre seconds by Léo Juvet
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A very large and fine, Swiss silver key winding open faced pocket watch with centre seconds, accompanied by a key, circa 1890. Made for the Chinese market.
Gilt and entirely foliate engraved movement in Chinese style, Chinese calibre, ten jewels, free-standing barrel, counterpoised lateral lever escapement, bimetallic compensation balance, flat balance spring, index regulator. White enamel dial, narrow radial Roman numerals, outer minute/seconds divisions with Arabic fifteen minutes/seconds numerals, and original blued steel ovoid hands. Silver case with spring-loaded reverse and glazed cuvette. Dial, case and movement signed, Juvet, in Chinese characters.
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Diameter: 62 mm
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Signed: Léo Juvet  Swiss