French rose gold, pearl set musical cylinder watch Circa 1820

Rare musical watch by L. Mallet
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A rare, unusual French 18 carat rose gold and pearl set open faced musical cylinder watch, circa 1820. Made for the Chinese Market. Attributed to Henry Capt. Gilt finished cylinder movement, plain three armed brass balance, musical pin barrel. Gilt cuvette. Engine turned gilt dial, Breguet numerals on blank chapter ring. Case with pearl set bezel and rim, ribbed band, engine turned sunburst decorated hinged back, music activated by depressing a button in the pendant. Cuvette signed.
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Diameter: 37 mm
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Signed: L. Mallet à Paris