Swiss musical striking and repeating cylinder watch Circa 1820

Gold musical clock watch with automaton and repeating
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A fine and very rare, 18 carat gold musical clock watch with automaton and repeating, circa 1820. Gilt brass, full-plate movement, the going train with fixed barrel and revolving arbour, cylinder escapement, plain brass three-arm balance, flat balance spring with index regulator. Pinned disc musical train also driving the automaton lady playing the guitar, striking train with a fixed barrel, striking and repeating the hours and half-hours on a gong, also activated at will by a button on the pendant, striking work on the backplate.
Case with polished bezel, reeded band, the back engine-turned with a sunburst pattern and polished border. Hinged gilt metal cuvette.
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White enamel dial with annular chapter ring with Breguet numerals, outer minute indexes, glazed engine turned silver centre with an applied varicoloured gold automaton scene: a lady playing the guitar, her arm driven by the musical train and a cupid driven by the repeating train, appearing to strike the hours on a bell. Blued steel Breguet hands.
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Diameter: 55 mm
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Signed: No name
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Automaton clock watches with a musical train are extremely rare, even more so when one of the automata is driven by the musical train and the other by the striking train.