GLX-5600C-1DR Casio Wristwatch

Shock resistant (G-SHOCK)
Electro-luminescent backlight
Auto light switch, 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
World time
29 time zones (48 cities), city code display, daylight saving on/off
Moon data (moon age of the input data, moon phase graph)
Tide graph (tide level for specific date and time)
1/100-second stopwatchMeasuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Other: 5-second countdown auto start
Countdown timer
Measuring unit: 1 secondCountdown 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
3 independent multi-function alarms (2 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