Onion watch in gilt metal, hinged case with hammered decoration on the back (wear), "rond de bosse" enamel dial with Roman numerals for the hours and Arabic numerals for the minutes (restorations), opening for the winding square, mechanical movement with key winding, chased and pierced cock, verge escapement, signature on the plate BURETTE à Paris. Sold as is with no guarantee of function. Early 18th century. Diameter 57 mm