Wristwatch is manufactured using a multi-component thermoplastic injection molding process that simplifies insertion of the watch face in the casing so that precise alignment and gluing are not required

摘要

Watch housing with a face made of different thermoplastics. The frame-type watch casing (1), which is open on its bottom side (4), and the watch face or glass (2) are made using a multi-component injection molding process. On the bottom side of the watch casing a sealing ring is provided using a thermoplastic elastomer.