English gold cylinder watch for the Chinese market Circa 1819

Gold, enamel and pearl-set pocket watch
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A very rare and large English 18K gold, enamel and pearl-set open faced cylinder pocket watch made for the Chinese market, circa 1819. Red bouquet by Barrauds. Empire case with a fixed cuvette, flat reeded band, split pearl-set bezels, pendant and bow, the spring-loaded back opened by a push-piece in the pendant with painted on enamel bouquet of flowers and foliage against a translucent red enamel background over wavy line engine-turning, the scalloped border decorated in champlevé enamel, London hallmarks.
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White enamel dial with radial Roman hours, outer minute track, large subsidiary seconds and gold spade hands. Hinged, gilt full-plate movement, going barrel, ringed cylindrical pillars, cylinder escapement with steel escape wheel, brass four-arm balance, flat balance spring with Joseph Bosley patented regulator, gilded cock pierced and engraved with scrolling foliage. Gilded dust cap with finely engraved foliate border. Dial and movement signed.
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Diameter: 60 mm