Casio G-Shock GM-S5600-1D Digital

Specifications
Case / bezel material: Resin / Stainless steel
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
Electro-luminescent backlight
Afterglow
Flash alert
Flashes with buzzer that sounds for alarms, hourly time signals
1/100-second stopwatch
Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit: 1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Other: Auto-repeat
Multi-function alarm
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Regular timekeeping: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 2 years on CR1616

Size of case / Total weight
Size of case : 43.8×38.4×10.9mm
Total weight : 50g