GW-7900RD-4

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Categories : Product Casio G-Shock

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Casio G-Shock - GW-7900RD-4

Specifications

  • Case / bezel material: Resin
  • Resin Band
  • Mineral Glass
  • Shock Resistant
  • 200-meter water resistance
  • Radio-controlled Watch; Multi band 6
  • Solar powered
  • 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
  • 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
  • Full auto-calendar (to year 2099)
  • Button operation tone on/off
  • Power Saving (Turns off the display when the watch is left in the dark)
  • 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: ±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
  • Case size (L× W× H) 52.4 × 50 × 17.7 mm
  • Weight  71 g
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