Features: resin case resin strap quartz movement mineral crystal green dial analog digital display shock resistant neobrite world time 1/100-second stopwatch countdown timer 5 daily alarms hourly time signal led light full auto-calendar button operation tone on/off regular timekeeping 12/24 hours display luminous hands month, day and date display screwed case back buckle clasp 100m water resistance approximate case diameter: 43.4mm approximate case thickness: 15.8mm