• Shock resistant (G-SHOCK)
• 200 meter water resistant
• Electro-luminescent backlight Afterglow
• Flash alert Flashes with buzzer that sounds for alarms, hourly time signal
• 1/100-second stopwatch Measuring capacity: 00'00"00~59'59"99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsaed time, split time, 1st-2nd place times
• Countdown timer Measuring unit: 1 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) Other: Auto-repeat
• Multi-function alarm
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day
• Accuracy: ±15 seconds per month
• Approx. battery life: 2 years on CR2016
• Module: 3230
• Size of case / total weight
• GM-6900 .............53.9 x 49.7 x 18.6 mm / 96 g