DEVICE FOR OPENING A WATCH CASE INCLUDING A BACK FIXED TO A MIDDLE BY INTERLOCKING

Tool for separating a back from a middle of a timepiece, as well as a back having a slot adapted to receive the tool, and timepiece equipped with such a back

PORTABLE APPARATUS COMPONENT FIXATION STRUCTURE

Bench for disassembling a watch with secured fastening

Device for pressing back to a watch without removing wrist band