
DIGITAL
2300 SERIES
GW2310U-1
A toughness-driven G-SHOCK with Multiband 6, designed for reliable performance in everyday life. The GW-2310U keeps the clean, symmetrical design of the popular G-2300, while adding radio-wave time signal reception from six stations around the world for automatic, accurate timekeeping. The simple look always stays in style. Practical functions support daily use, including Tough Solar charging for long-lasting performance and a high-brightness LED backlight for clear visibility in low light.
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52.5 × 46.4 × 15.6 mm
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Weight
64 g -
Case and bezel material
Resin / Stainless steel -
Band
Resin Band -
Construction
Shock Resistant -
Water resistance
200-meter water resistance -
Time adjustment
Radio-controlled Watch; Multi band 6 -
Power supply and battery life
Tough Solar (Solar powered)
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Glass
Mineral Glass -
Compatible band size
145 to 215 mm
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World time
World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, one-touch UTC Time Zone Access -
Stopwatch
1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times -
Timer
Countdown timer Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) -
Alarm/hourly time signal
5 daily alarms (with 1 snooze alarm)Hourly time signal -
Light
LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow -
Light color
LED:White -
Calendar
Full auto-calendar (to year 2099) -
Mute feature
Button operation tone on/off -
Energy saving feature
Power Saving (display goes blank to save power when the watch is left in the dark) -
Battery display/alert
Battery level indicator -
Run time
11 months on rechargeable battery (operation period with normal use without exposure to light after charge) 26 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) -
Accuracy
Accuracy: ±15 seconds per month (with no signal calibration) -
Other features
12/24-hour formatRegular timekeeping: Hour, minute, second, pm, month, date, day -
Time adjustment details
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 States) 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 kHzTime 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 The latest signal reception results