| | 1/100-second stopwatch |
| | Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times |
| | 12/24-hour format |
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| | Accuracy: ±15 seconds per month (with no signal calibration) |
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| | Approx. battery operating time |
| | 8 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) |
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| | Battery power indicator |
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| | Button operation tone on/off |
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| | Countdown timer |
| | Measuring unit: 1 second Input 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) |
| | Dive time and surface interval measurement function |
| | Dive time: 1 second increments, up to 23:59'59 Surface interval: 1 minute increments, 47:59'59 Memory capacity: One set of data (dive time, dive start time dive date |
| | Electro-luminescent backlight |
| | Full auto EL light, afterglow |
| | Hourly time signal |
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| | Moon data |
| | (Moon age of the input data, moon phase graph) |
| | 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) |
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| | Solar powered |
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| | Tide graph |
| | (tide level for specific date and time) |
| | 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) Manual received Last time received display *5 times a day for the Chinese calibration signal |
| | World Time |
| | 31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off |
| | Size of case / total weight |
| | GWF-1000G...... 58.3 X 52.8 X 18.0 mm / 115 g |