Built tough with a 10 year batter, shock resistance and flash alert with buzzer, this classic G-Shock is everything you need in a watch.

• 10 Year Battery
• Shock Resistant
• 200M Water Resistant
• Alpha Gel (R)
• Auto LED (Super Illuminator) Backlight with Afterglow
• Flash Alert: Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer progress beeper and stopwatch auto-start
• World Time: 29 times zones (48 cities), city code display, daylight saving on/off
• 3 Multi-function alarms (2 one-time alarms and 1 snooze Alarm)
• Hourly time signal
• 1/100 second stopwatch
  • Measuring capacity: 23:59,59.99
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Other: 5-second auto-start
• Countdown Timer
  • Measuring unit: 1 second
  • Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
  • Others: Auto-repeat, Progress beeper
• Full auto-calendar (pre-programmed until the year 2099)
• 12/24 hour formats
• Button operation tone on/off
• Accuracy: /-15 seconds per month
• Battery: CR2032
• Approximate battery life: 10 years
• Module: 3420
• Size of case / total weight:GDX6900 57.5 x 53.9 x 20.4mm / 84g (just over 2 inch case width)