Silver Gilt Adam and Eve Automaton

A large late 18^th Century French verge of Adam and Eve with an automated snake in a silver gilt open face case.  Full plate gilt fusee movement.  Finely pierced and engraved bridge cock with steel coqueret, plain three arm gilt balance with blue steel spiral hairspring.  Silver regulator dial with blue steel indicator.  Enamel dial, background of vertical blue and white lines overlaid by gilt foliage. In a glazed circular aperture Eve can be seen offering Adam an apple.  As the watch runs an enamelled snake can be seen circling them.  Large white enamel subsidiary below for the time, Arabic numerals, gold hands.  On the left a white enamel subsidiary, a double ended hand indicating the days of the week in French and the corresponding astronomical symbols to the classical celestial bodies they were named after.  The oval cartouche to the right signed for the maker.  Large plain silver gilt open face case with ribbed middle.