Abstract: A wrist watch having an electric powered timing unit for providing time information, an alarm unit coupled to the timing unit, and a pair of electrodes coupled to the alarm unit and being arranged to be in contact with the surface of the wrist of the wearer of the watch; the timing unit being provided with a set switch for setting an alarm time at which the timing unit produces an instant pulse which triggers the alarm unit to produce an intermittent high voltage across the pair of electrodes so as to alert the wearer of the watch.