English gold musical watch for the Chinese market Circa 1815

Gold and enamel open faced musical watch by Barraud
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A very fine gold enamel pocket watch with musical movement for the Chinese market, circa 1815. 18k gold case, the border set with half pearls, reeded band, case back with an exquisite painted polychrome enamel composition of summer owers against translucent green enamel on engine turned ground, lever for M/S (music/silence), pearl set pendant and bow. Enamel dial, radial Roman hours, auxiliary seconds, gold spade hands. Bridge movement, keywind, frosted, gilt, 2 going barrels, cylinder escapement, four-arm brass balance, fine florally engraved, pierced balance cock, mirror polished and bevelled levers for musical movement with pin barrel and vibrating blades.
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Diameter: 63 mm
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Weight: 178 g
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Signed: Paul Philip Barraud  London