-1/1000-second stopwatch

Measuring capacity: 99:59'59.999"

Measuring modes: Elapsed time, lap time, split time,

Other: Speed (0 to 1998 units/hour), Distance input (0.0-99.9)

-12/24-hour format

-Accuracy: ±15 seconds per month

-Magnetic resistant

- Approx. battery life :2 years on CR1220

-Full auto-calendar (to year 2099)

-Countdown timer

Measuring unit: 1 second

Input range: 1 minute to 24 hours(1-minute increments and 1-hour increments)

Other: Auto-repeat     

-Daily alarms

5 independent daily alarms (4 one-time alarms and 1 snooze alarm)

-Hourly time signal

-LED light

Auto light switch, selectable illumination duration, afterglow

-Regular timekeeping

Analog: 2 hands (Hour, minute (hand moves every 20 seconds))

Digital: Hour, minute, second, pm, month, date, day

-Shock resistant (G-SHOCK)

-World Time

29 time zones (48 cities + coordinated universal time), daylight saving on/off,

Home city/World time city swapping

-Size of case / total weight

GA-100...... 55.0 X 51.2 X 16.9 mm / 70 g