Features: case / bezel material: resin resin strap quartz movement mineral crystal pink dial analog digital display shock resistant led light afterglow world time 31 time zones (48 cities + utc) daily alarm countdown timer full auto-calendar (to year 2099) 12/24-hour format hourly time signal button operation tone on/off regular timekeeping accuracy: ±30 seconds per month day display solid case back buckle clasp 100m water resistance approximate size of case: 48 x 44.3 x 15.5mm