G-Shock THE 6900 MILITARY Made in USA or Imported Shock Resistant ; 200 Meter Water Resistant ; EL Backlight with Afterglow Flash Alert, Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm 1/100 second stopwatch, Measuring capacity: 000000-595999 (for the first 60 minutes),1:0000-23:5959 (after 60 minutes), Measuring unit: 1/100 second (for the first 60 minutes), 1 second (after 60 minutes) Measuring mode: Elapsed time, split time, 1st-2nd place times 12/24 hour formats; Accuracy: +/- 15 seconds per month ; Approx. battery life: 2 years ; Measuring mode: Elapsed time, split time, 1st-2nd place times Reliable quartz movement Military concept with Black Matt, Reverse LCD and Red EL Back Light Multi-function Alarm, 1/100 second stopwatch, countdown timer 12 and 24 hr. formats, EL backlight with afterglow Water resistant to 660 feet (200 M): suitable for recreational scuba diving