Features: case/bezel material: resin resin strap mineral crystal quartz movement white dial analog digital display shock resistant led light world time hand shift feature thermometer moon data tide graph tidal trend indicator 1-second stopwatch countdown timer counter (keep track of a count up to 999) daily alarm hourly time signal full auto-calendar (to year 2099) 12/24-hour format button operation tone on/off regular timekeeping accuracy: ±30 seconds per month solid case back buckle clasp 100m water resistance approximate size of case: 49.3 x 44 x 15.4mm