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 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
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
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: ±15 seconds per month (with no signal calibration)
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
Mineral Glass
Case / bezel material: Resin
Resin Band
200-meter water resistance
Time adjustment
Radio-controlled Watch; Multi band 6
Power supply and battery life
Tough Solar (Solar powered)
Case size (L× W× H)
52.4 × 50 × 17.7 mm
Weight
71 g

G-Shock Mens 200m Solar Atomic - GW-7900B-1