Classic Series Collections › Classic Series › GDF100-1B

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    OTHER VARIATIONS

  • GDF100-1B


    This totally new design for G-Shock comes packed with altimeter, barometer and thermometer, plus a powerful collection of additional features. Black resin band digital watch with a black face.
    • Front-Facing Twin Sensor Design (Altimeter/Barometer & Thermometer)
    • Super Illuminator LED
    • 48-City World Time

    TECHNICAL SPECIFICATIONS

    • Shock Resistant
    • 200M Water Resistant
    • LED Backlight (Super Illuminator)
    • Altimeter
      Measuring range: -700 to 10,000m (-2,300 to 32,800ft) without reference altitude
      Measuring unit: 5m (20ft)
      Others: Reference altitude setting
    • Barometer
      Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
      Display unit: 1 hPa (0.05 inHg)
      Atmospheric pressure differential pointer
    • Thermometer
      Display range: -10 to 60 C (14 to 140 F)
      Display unit: 0.1 C (0.2 F)
    • World Time
      31 times zones (48 cities), city code display, daylight saving on/off
    • 5 Daily Alarms
    • Hourly Time Signal
    • 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
      Countdown range: 1 minute to 24 hours (1 hour increments and 1 minute increments)
    • Full Auto Calendar (pre-programmed until the year 2099)
    • 12/24 Hour Formats
    • Button tone operation on/off
    • Accuracy: +/-15 seconds per month (with no signal calibration)
    • Battery: CR2025
    • Approx. battery life: 5 years
    • Module: 3255

    Size of case/total weight
    GDF100BTN 55.0 x 51.5 x 17.2mm / 70g
    GDF100 55.0 x 51.5 x 17.2mm / 69.2g