Swiss gold quarter repeating erotic automation Circa 1800

Gold quarter repeating automation watch with erotic scene
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A Swiss yellow gold open-faced quarter repeating automation watch with an erotic scene, circa 1800, gilt full plate verge movement, pierced and engraved balance bridge, gilt cuvette.
White enamel chapter ring, Breguet numerals, skeletonized background with classical figures holding hammers for striking action, erotic automaton scene at the bottom hidden behind a moving plate depicting a three-color gold case.
18 Carat pink engine turned case.
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Diameter: 55 mm
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Signed: No name