Patent ID: 7149153
Filing Date: 2006-12-12
Classification: G04B,G04C,G04G

Abstract:
1. A watch having a case which contains an electronic watch movement and an electric battery assembly including at least one battery or at least one accumulator, the case having a circular bottom opening which allows the battery assembly to be inserted and removed and which is closed in a water-resistant manner by a removable cover provided with bayonet fitting means, said cover including a plate, which covers one or more housings for the battery assembly and forms at least a part of a back cover of the case, and a substantially cylindrical annular portion, which extends perpendicularly to said plate and fits into said opening, said annular portion carrying at least two locking members forming part of the bayonet fitting means, wherein a support fixedly mounted in the case houses said battery assembly and extends at least partially facing said opening, wherein said support has shoulders, and wherein said locking members of the cover extend towards a symmetry axis of said annular portion, substantially parallel to said plate, of the cover and catch on said shoulders of said support.