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Specification - 2737 
1/100-second stopwatch Measuring capacity: 59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times 12/24-hour format Accuracy: ±15 seconds per month Approx. battery life 3 years on SR927W x 2 Auto-calendar (to year 2039) Countdown timer Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
Others: Auto-repeat, time up alarm Daily alarms 5 independent daily alarms (4 one-time alarms and 1 snooze alarm) Electro-luminescent backlight Afterglow Hourly time signal Regular timekeeping Analog: 2 hands (Hour, minute)
Digital: Hour, minutes, seconds, am/pm, month, date, day Shock resistant (G-SHOCK) World time 29 time zones (27 cities), city code display, daylight saving on/off Size of case / total weight G-500FD...... 50.2 X 45.0 X 13.8 mm / 140 g