Gshock Frogman GWF-1000-1jf

Basic Information
Case size (L× W× H)=58.3 × 52.8 × 18 mm
Weight=115 g
Case and bezel material=Stainless steel / Resin Band
Shock Resistant, Water resistance: ISO 200 meters
Radio-controlled Watch; Multi band 6
Power supply and battery life: Solar powered
Mineral Glass
Screw Lock Back
Surface treatment
Diamond Like Coating
Watch Features
Diving feature
Dive time and surface interval measurement function
Dive time: 1 second increments, up to 23:59'59
Surface interval: 1 minute increments, up to 47:59'59
Memory capacity: One set of data (dive time, dive start time, dive date)
World time
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off
Moon data
Moon data (moon age of a 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
Countdown range: 24 hours
Countdown start time setting 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, selectable illumination duration, 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 (display goes blank to save power when the watch is left in the dark)
Battery display/alert
Battery power indicator
Run time
Approx. battery operating time:
8 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
**Jualan demi mencari dana