公开(公告)号：US20230176527A1

公开(公告)日：2023-06-08

申请号：US17973284

申请日：2022-10-25

Applicant: The Swatch Group Research and Development Ltd

Inventor： Simon GARCIN ,  Nassima NASRI

IPC: G04B37/11 ,  F16J15/02

CPC classification number: G04B37/11 ,  F16J15/022

Abstract: A water-resistant closing device for a watch case, the device including an annular gasket (1) arranged to be placed between a middle (2) and a back (3), a bezel or a crystal (4), or a bezel and a crystal, or a back and a crystal. The gasket (1) has on its middle portion a bulge (10) protruding on its outer lateral face (11), the bulge being arranged to be engaged against the middle (3) and compressed following the installation of the back or of the crystal on the middle, the bulge being delimited by an upper (12) and lower material countersink (13) on either side of the bulge (10) in the non-compressed state of the gasket (1) to facilitate its installation and its deformation.