Features: resin case resin strap quartz movement mineral crystal grey dial analog digital display shock resistant magnetic resistant neobrite world time 1/100 second stopwatch countdown timer 5 daily alarms led light full auto calendar button operation tone on/off regular timekeeping hourly time signal 12/24 hours display day and date display screwed case back buckle clasp 200m water resistance approximate case diameter: 48.8mm approximate case thickness: 16.9mm