Casio G-Shock G-8900GB-1D Digital

Case / bezel material: Resin / Stainless steel
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
SPECIFICATIONS
LED Backlight (Super Illuminator)
Auto light switch, selectable illumination duration, afterglow.
Flash alert
Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal
Multi Time (4 different cities)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1/10 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)
5 daily or one-time alarms
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
battery life: 3 years on CR2016