Features: case/bezel material: resin resin strap quartz movement caliber: 3290 mineral crystal digital display shock resistant electro-luminescent backlight world time (48 cities) 1/100-second stopwatch countdown timer 5 daily alarms hourly time signal full auto-calendar (to year 2099) 12/24-hour format regular timekeeping accuracy: ±30 seconds per month day and date display solid case back buckle clasp 200m water resistance approximate size of case: 44.7 × 40 × 12.5mm