With the endless pursuit of durability and technology, G-Shock introduces the latest Solar Atomic to the durable and rugged G-Rescue series. Already iconic for its four-point protection design, large case, oversized buttons, tide and moon phase graphics, this new model maintains the same design philosophy that allows for high functionality and operability, in the harshest conditions. difficult, even when wearing gloves. With its gray, solid IP color and open strap design, this new addition to the G-Rescue series not only appears durable, but also very comfortable to wear.
Case dimensions (H x W x D)
52.4 × 50 × 17.7 mm
Weight
71 g
Case and bezel material
resin
Strap
Strap in resin
Structure
Shock resistant
Waterproof
Waterproof up to 20 bar
Time adjustment
Radio controlled clock; Multi Band 6
Power and battery life
Tough Solar (solar powered)
Glass
Mineral glass
World Time
World Time 31 time zones (48 cities + Coordinated Universal Time), city code display, daylight saving time on/off
Data lunar
Moon data (moon phase on specific date, moon phase graph)
Tide graph
Tide graph (tide level by date and specific time)
Stopwatch
Hundredths of a second stopwatch
Measuring capacity: 23:59’59.99”
Measurement mode: elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer Measurement unit: 1 second Input range: from 1 minute to 24 hours (1 minute increments and 1 hour increments)
Audible reminder / Time signal
5 daily audible reminders (with 1 delayed sound reminder)
Time signal
Light
Electroluminescent backlight Fully automatic electroluminescent light, afterglow
Light color
< div>EL: Blue Green
Calendar
Full automatic calendar (up to the year 2099)
Deactivation volume control
Enabling/disabling the button press sound
Energy saving function
Energy saving (the display turns off to save energy when the watch is left in the dark)
Battery status display/alert
Battery level indicator
Ride timing
Run time operation battery life: 9 months with rechargeable battery (operation period for normal use without exposure to light after charging), 26 months with rechargeable battery (operation period if stored in total darkness with the energy saving function activated after a full charge)
Accuracy
Accuracy: ±15 seconds per month (without signal calibration)
Other features
Format 12/24 hour
Regular timekeeping:
hour, minute, second, pm, month, date, day
Time adjustment details
Time calibration signals
Station Name: DCF77 (Mainflingen, Germany)
Frequency: 77.5kHz
Station Name: MSF (Anthorn, England)
Frequency: 60.0kHz
Station Name: WWVB (Fort Collins, United States)
Frequency: 60.0kHz
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
Automatic reception up to six* times a day (remaining automatic receptions are canceled when successful)
*5 times a day for Chinese calibration signal
Manual reception
The latest results of signal reception
GW-7900B-1
Case dimensions (H x W x D)
52.4 × 50 × 17.7 mm
Weight
71 g
Case and bezel material
resin
Strap
Strap in resin
Structure
Shock resistant
Waterproof
Waterproof up to 20 bar
Time adjustment
Radio controlled clock; Multi Band 6
Power and battery life
Tough Solar (solar powered)
Glass
Mineral glass
World Time
World Time 31 time zones (48 cities + Coordinated Universal Time), city code display, daylight saving time on/off
Data lunar
Moon data (moon phase on specific date, moon phase graph)
Tide graph
Tide graph (tide level by date and specific time)
Stopwatch
Hundredths of a second stopwatch
Measuring capacity: 23:59’59.99”
Measurement mode: elapsed time, split time, 1st and 2nd place times
Timer
Countdown timer Measurement unit: 1 second Input range: from 1 minute to 24 hours (1 minute increments and 1 hour increments)
Audible reminder / Time signal
5 daily audible reminders (with 1 delayed sound reminder)
Time signal
Light
Electroluminescent backlight Fully automatic electroluminescent light, afterglow
Light color
< div>EL: Blue Green
Calendar
Full automatic calendar (up to the year 2099)
Deactivation volume control
Enabling/disabling the button press sound
Energy saving function
Energy saving (the display turns off to save energy when the watch is left in the dark)
Battery status display/alert
Battery level indicator
Ride timing
Run time operation battery life: 9 months with rechargeable battery (operation period for normal use without exposure to light after charging), 26 months with rechargeable battery (operation period if stored in total darkness with the energy saving function activated after a full charge)
Accuracy
Accuracy: ±15 seconds per month (without signal calibration)
Other features
Format 12/24 hour
Regular timekeeping:
hour, minute, second, pm, month, date, day
Time adjustment details
Time calibration signals
Station Name: DCF77 (Mainflingen, Germany)
Frequency: 77.5kHz
Station Name: MSF (Anthorn, England)
Frequency: 60.0kHz
Station Name: WWVB (Fort Collins, United States)
Frequency: 60.0kHz
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
Automatic reception up to six* times a day (remaining automatic receptions are canceled when successful)
*5 times a day for Chinese calibration signal
Manual reception
The latest results of signal reception
GW-7900B-1
