G-shock mudmaster watch

Shock resistant (G-SHOCK) 
Mud resistant 
Electro-luminescent backlight
Auto light switch, dual illuminator, selectable illumination duration, afterglow Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal
countdown timer time up alarm, countdown timer progress beeper, and stopwatch auto start 
Low temperature resistant (-20C) 
World time
29 time zones (48 cities)
city code display
daylight saving on/off 
1/100-second stopwatch (ST1)
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Other: Auto start 
1/100-second stopwatch (ST2)
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times 
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Others: Auto-repeat, progress beeper 
Multi-function alarms
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 
Regular timekeeping: Hour, minute, second, pm, month, date, day 
Accuracy: 15 seconds per month 
Approx. battery life: 3 years on CR2025 
Size of case / total weight
52.0 X 46.3 X 16.3 mm / 56 g