Model: GXW-56-1A  GXW 56 1A  GXW56 1A  GXW561A

1/100-second stopwatch
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times
12/24-hour format
Accuracy: ±15 seconds per month
Approx. battery operating time
10 months on Rechargeable Battery (Operating period with normal use without exposure to light after charge)
26 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge)
Full auto-calendar (to year 2099)
Battery power indicator
Button operation tone on/off
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Daily alarms
5 independent daily alarms (4 one-time alarms and 1 snooze alarm)
Electro-luminescent backlight
Full auto EL light, selectable illumination duration, afterglow
Hourly time signal
Mud resistant
Power Saving
(Turns off the display when the watch is left in the dark)
Regular timekeeping
Hour, minute, second, pm, month, date, day
Shock resistant (G-SHOCK)
Solar powered
Time Calibration Signals
Station name:DCF77 (Mainflingen, Germany)
Frequency:77.5 kHz
Station name MSF (Anthorn, England)
Frequency: 60.0 kHz
Station name WWVB (fort Collins, United State)
Frequency: 60.0 kHz
Station name: JJY (Fukushima, Fukuoka/Saga, Japan)
Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
Station name: BPC (Shangqiu City, Henan Province, China)
Frequency: 68.5 kHz
Time calibration signal reception
Auto receive up to six* times a day (Remaining auto receives canceled as soon as one is successful)
*5 times a day for the Chinese calibration signal
Manual receive
Last time received display
World Time
31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off
Size of case / total weight
GXW-56...... 55.5 X 53.6 X 17.5 mm / 88 g