Features: case/bezel material: resin resin strap quartz movement mineral crystal digital display caliber: 3408 shock resistant electro luminescent backlight dual time 1/100-second stopwatch countdown timer 3 multi-function alarms (with 1 snooze alarm) hourly time signal full auto-calendar (to year 2099) 12/24-hour format am/pm display regular timekeeping accuracy: ±30 seconds per month day display solid case back buckle clasp 200m water resistance approximate size of case: 49.1 x 45 x 13.5mm