Swiss gold musical repeater with erotic automaton Circa 1810

Gold open faced cylinder watch
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A rare Swiss 18 carat gold and painted on enamel quarter repeating musical pocket watch, circa 1810. With concealed erotic automaton scene, playing at will. An Empire, polished case with a reeded band. Gold dial, blued steel hands, radial Roman numerals and engraved foliate decoration between, outer minute divisions two winding apertures, the centre engraved with a scene of a riverside town and bridge with a steam train travelling across and a paddle steamer on the river.
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The automaton is varicoloured gold and finely painted-on enamel with an automaton scene of a gentleman with a lady on a daybed in a sumptuous interior enjoying the pleasures of the flesh, activated via a cam when the music plays. Gilt brass, double train movement with cylindrical pillars, going barrel and cylinder escapement, plain three arm balance, flat balance spring, polished steel end piece, repeating on gongs activated by depressing the pendant, regulator arm protruding from under the cuvette with engraved scale at the edge. Sur plateau musical train with pin disc and individual blued steel blades. Case and punch numbered.
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Diameter: 59 mm
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Signed: No Name