Features: resin case resin strap quartz movement digital display mineral glass shock resistant electro-luminescent backlight flash alert auto light switch world time 29 time zones (48 cities) moon data tide graph 1/100-second stopwatch measuring capacity 99959'59.99'' countdown timer 5 independent multi-function alarms (4 one-time alarms and 1 snooze alarm) hourly time signal full auto-calendar (to year 2099) 12/24-hour format button operation tone on/off accuracy ±15 seconds per month regular timekeeping 200-meter water resistance size of case/total weight 52.4 x 50 x 17.7 mm/68.2g