Patent ID: 7604397

Claim:
A sealing device ( 1 ) designed to be positioned on a watch crown ( 5 ), arranged on two shoulders ( 14 , 20 ) protecting said crown ( 5 ) of a watchcase ( 8 ), the device ( 1 ) comprising, on the one hand, a cover ( 2 ) possessing an annular part ( 3 ) that fits and rests on the periphery of a cabochon ( 4 ) of the crown ( 5 ) against a seal ( 6 ), said cover ( 2 ) including at its end a closure lug ( 9 ) and pivoting on a first axis ( 7 ) located on one of the shoulders ( 20 ) protecting the crown ( 5 ), the sealing device ( 1 ) including, on the other hand, a buckle ( 10 ) for the closure of the cover ( 2 ), characterized in that said buckle ( 10 ) pivots on a second axis ( 11 ) located on a fastening arm ( 12 ), said fastening arm ( 12 ) pivoting on a third axis ( 13 ) and located on the other shoulder ( 14 ) protecting the crown ( 5 ) of the watchcase ( 8 ) such that the device ( 1 ) is in the closed position when, on the one hand, said buckle ( 10 ) and the cover ( 2 ) are, respectively, positioned on the lug ( 9 ) and the periphery of said cabochon ( 4 ), and, on the other hand, the fastening arm ( 12 ) is arranged against the watchcase ( 8 ), the device ( 1 ) being in the open position when the end of the fastening arm ( 12 ) and the buckle ( 10 ) are, respectively, detached from the watchcase ( 8 ) and the closure lug ( 9 ), enabling the cover ( 2 ) to be disengaged from the crown ( 5 ) of the watchcase ( 8 ).