Rare Small Clock With Turning Dial Height 17 Cm Louis XVI Period Charming Object

In the shape of an urn in mother-of-pearl veneer on a wooden core supported by a gilt bronze tripod base with a ram's head which rests on a circular base with a guilloché outline and a row of pearls surrounding the mother-of-pearl. 18th century rooster watch movement signed Gervott in Paris with this original key the movement works but not revise the cover adorned with a snake whose head indicates the time very beautiful and rare charm and collection pendulum missing a plate mother-of-pearl as visible in the photos