English enamel musical watch for Chinese market Circa 1815

Open faced pocket watch with musical movement
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A rare 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 flowers against translucent green enamel on engine turned ground, lever for M/S (music/silence), pearl set pendant and bow. Enamel, 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, Cornhill, London
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Paul Philipp Barraud (1750-1820)
Barraud was an English chronometer maker in London. His parents were Francis Gabriel Barraud and Magadalen Benine née Crespin, who was the daughter of a renowned Huguenot silversmith. In 1796 Barraud became a member of the Clockmakers Company of London and a master in 1810/11. He formed a partnership with George Jamieson and William Howells; of Barraud’s 7 children, his sons Frederick Joseph, John and James followed him into the business. From 1796 until 1820 they created more than 1,000 chronometers together.