| 摘要 |
PROBLEM TO BE SOLVED: To provide simple structure capable of holding the on state of the button switch of the device of an electronic watch or the like. SOLUTION: A hook part 45 is provided on a button switch 4, and hook receiving parts 26, 27 with which the hook part 45 is engaged are provided on a device case 2. Since the hook part 45 is engaged with the hook receiving part 27 by depression for the button switch 4, an on state can be held. The releasing member 30 of the band attaching part 20 of the device case 2 is attached to operate the releasing member 30, the hook part 45 is removed from engagement to return the button switch to the original position and the switch is turned off. |
