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DIGITAL
7900 SERIES

GW7900-1

My GShock

With the never ending pursuit of toughness and technology, G-Shock introduces a Solar Atomic addition to the tough and rugged G-Rescue series. Already iconic for its four point protection design,large case, oversized buttons, tide & moon graphs, this new model keeps the same design philosophy of allowing for high functionality and operability, in the harshest conditions, even while wearing gloves. With its monotone, grey IP coloring and aperture band design, this new addition to the G-Rescue series not only looks tough, it also very comfortable to wear.

GW-7900-1
GW-7900-1

Specifications

Case size (L× W× H)
52.4 × 50 × 17.7 mm
Weight
71 g
Case and bezel material
Case / bezel material: Resin
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
Solar powered

Glass
Mineral Glass

World time
World time 31 time zones (48 cities + Coordinated Universal Time), city code display, daylight saving on/off
Moon data
Moon data (moon age of the specific date, moon phase graph)
Tide graph
Tide graph (tide level for specific date and time)
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 minutes 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
Electro-luminescent backlight Full auto EL light, afterglow
Light color
EL:Blue Green
Calendar
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Energy saving feature
Power Saving (Turns off the display when the watch is left in the dark)
Battery display/alert
Battery power indicator
Run time
Approx. battery operating time: 9 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 format
Regular 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 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 The latest signal reception results

*The color tone of the listed products may differ from the actual product in some cases.

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