Features: case/bezel material: resin resin strap quartz movement mineral crystal analog digital display shock resistant led light (super illuminator) world time 31 time zones (48 cities + coordinated universal time) 1/100-second stopwatch countdown timer 5 daily alarms hourly time signal hand shift feature full auto-calendar (to year 2099) 12/24-hour format regular timekeeping accuracy: ±30 seconds per month day display solid case back buckle clasp 200m water resistance approximate size of case : 57.5 x 53.4 x 18.4mm