Swiss quarter repeating hour striking musical watch Circa 1820

Gold and enamel repeating centre seconds musical watch by Bovet
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A very fine, rare and large Swiss gold and enamel open faced manually wound quarter repeating hour striking centre seconds musical watch made for the Chinese market, circa 1820. Finely chased and engraved floral and scroll decorated gilt finished cylinder movement, quarter repeating on two hammers onto two gongs, musical pin barrel, music playing on the hour or at will, hinged glazed cuvette with engine turned gold frame. White enamel dial with Roman numerals, outer minute track and constant seconds. The case with translucent polychrome champlevé enamel floral decorated bezels, rim, pendant and bow, the reverse centred by a possibly later added or later enamelled polychrome enamel scene depicting Affection and Innocence after Francesco Bartolozzi in the manner of Jean Abraham Lissignol, repeating through the pendant, en passant music start/stop lever and push button to activate the music at will underneath the bezel. Case numbered, movement signed and numbered, a hand-engraved inscription JDL underneath the dial, the reverse of the dial also numbered.
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Diameter: 64 mm
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Signed: Bovet Fleurier
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Francesco Bartolozzi was born on September 21st, 1727 in Florence, Italy and died on March 7th, 1815 in Lissabon, Portugal. He was a painter and engraver who mainly worked in England.
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Jean Abraham Lissignol was a Swiss painter, revolutionary and one of the finest enamellers of his time. He was born in Geneva on May 7th, 1749 and died in Plainpalais on June 28th, 1819. He was the pupil of Jean-Marc Roux and later became his partner. Specialized in snuff boxes and watch cases, he worked for Jaquet-Droz & Leschot, the Rochat Brothers and John Rich.