Dutch watch for Chinese market with center seconds Circa 1775

Rare small silver pair case coach- and travel clock
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A rare, small coach- and travel clock for the Chinese market, with center seconds, made for the Chinese market by Jean Laurent Depuis in Amsterdam, the Netherlands, circa 1775. The protective outer case is crafted from wood and the numbered open faced plain inner case is crafted from silver, has a lever in the case band to stop the center seconds and another lever to open the winding hole. The white enamel dial has an outer ring with Arabic minute numerals (outside), Roman hour numerals, fancy gold hands and a center seconds hand. The numbered movement with a fine decoration and a verge escapement.
Dial and movement are signed.
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Dimensions: 16x13x8 cm (transport case)
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Diameter: 83 mm
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Weight: 333 g
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Signed: J.L. Dupuis, Amsterdam
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Jean Laurent Dupuis
Jean Laurent Dupuis, Huguenot, active in Paris and Amsterdam was a registered master watchmaker (maître horloger) When did he die from 1772. These watches were the first watches made for the Chinese market.