Features: resin strap black dial shock resistant magnetic resistant led light 200 meters water resistance auto light switch, selectable illumination duration, afterglow 1/1000-second stopwatch measuring capacity 9959'59.999'' world time 29 times zones (48 cities + utc) countdown timer input range 1 minute to 24 hours (1-minute increments and 1-hour increments) other auto-repeat daily alarms 5 independent daily alarms (4 one-time alarms and 1 snooze alarm) hourly time signal 12/24-hour format full auto-calendar regular timekeeping analog 2 hands (hour, minute (hand moves every 20 seconds)) digital hour, minute, second, pm, month, date, day accuracy +/-15 seconds per month approx.Battery life 2 years on cr1220 dimensions case size 55.0 x 51.2 x 16.9mm weight72g