Watch was used as display (Possibility of minor scratches and marks on box)  All Watches have been tested by a jeweller and working.  But these watches may have been sitting around for a month or more prior to being listed and or sold.  So the watches may have stopped due to inactivity within that time.  Please remember some watches require movement (watch winders, arm movement) or Solar (light) to work.  We do not cover replacement batteries.