French silver open faced verge with automaton Circa 1800

Silver verge with Adam & Eve automaton 
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A French silver open faced verge pocket watch with painted enamel scene and Adam & Eve automaton in manner of the Rigonaud patent, circa 1800. Verge movement. Unique polychrome enamel dial with images of animals, automaton in the upper area, enamel cartouche with a painting of Adam & Eve, surrounded by a permanently moving snake, blued steel hands. Plain case.
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Diameter: 55 mm
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Weight: 96 g
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Signed: No name
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These automatons are very rare and are sold for high prices.