FIELD: electronic wrist watch production. SUBSTANCE: wrist watch has the body 1, whose wall 2 is connected with the bottom 3, being simultaneously the button 4 for turning on a lighting up. The button 4, spring-loaded relative to the body, 1, has the supporting bead 5, engaging with the turned inside protrusion 7 on the wall 2 of the body. Upon putting the watch on a hand, the button 4, being in the form of the bottom of the body, is being sunk, providing turning on of the lighting up of the watch without use of second hand for that operation. EFFECT: enhanced serviceability. 1 cl, 3 dwg
