Swiss gold repeater with hidden erotic automaton Circa 1810

Gold musical quarter repeater
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A rare Swiss 18K gold and painted-on enamel, two-train, quarter repeating musical watch with concealed erotic automaton scene, playing at will, circa 1810. An Empire, polished case with a reeded band. Gold dial with radial Roman numerals and blued steel hands. 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 erotic 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 1312.
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Diameter: 59 mm
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Signed: No Name