Casio G-Shock GLX6900-7

Shock Resistant 200M Water Resistant Low Temperature Resistant LCD (-20 C / -4 F) Full Auto EL Backlight with 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 Tide Graph (tide level for specific date and time) Moon Data (moon age of the input data, moon phase graph) World Time 29 times zones (48 cities), city code display, daylight saving on/off 4 Multi-Function Alarms and 1 Snooze Alarm Hourly Time Signal 1/100 Second Stopwatch (ST1)Measuring capacity: 999:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesOther: Auto-Start1/100 Second Stopwatch (ST2)Measuring capacity: 999:59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place timesCountdown TimerMeasuring unit: 1 secondCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)Others: Auto-Repeat, Time-up Alarm, Progress Beeper