French gold and enamel watch for the Chinese market Circa 1830

Gold pocket watch with centre seconds by Le Roy
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A Parisian, gold enamel pocket watch Spring flower bouquet with independently jumping central seconds, circa 1830. Made for the Chinese market.
Bridge movement, key wind, two barrels, lever escapement, screw compensation balance, formerly compensating lever. Enamel with Roman radial hours, outer minutes/seconds track, jumping central seconds, and Breguet-style hands.
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18K gold, polychrome enamel case. Temple, pendant, shaft, bezel and back are decorated with colourful flowers made of Champlevé enamel on an opaque turquoise background. The finely painted enamel medallion on the back is framed by a translucent red and gold border. It shows a filigree floral composition of colourful spring flowers on an opaque green enamel background.
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Diameter: 46 mm
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Weight: 58 g
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Signed: Le Roy à Paris
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The bridge work is more recent and was subsequently built into the beautiful case. The reuse reveals, on the one hand, the appreciation of the artistic enamel work and, on the other hand, the great importance of the great Le Roy family in Paris.