Swiss gunmetal lever watch with erotic automaton Circa 1900

Unusual erotic lever pocket watch
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An unusual Swiss gunmetal keyless lever pocket watch with concealed erotic automaton, circa 1900. Frosted gilt movement, straight-line lever escapement, mono-metallic compensation balance, blued steel Breguet balance spring, index regulator. White enamel dial with Roman numerals, outer minute divisions and red Arabic five minute numerals, subsidiary seconds and original blued steel cathedrale hands. Gunmetal case, gilt brass bow, automata activated through winding the crown.
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Diameter: 53 mm
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Signed: No name