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Casio Mens G-Shock Twin Sensor Resin Watch - Black Rubber Strap - Black Dial - GDF100-1A main product image

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    Casio Mens G-Shock Twin Sensor Resin Watch

    Model# GDF100-1A

    $130.00

    This item has been discontinued by the manufacturer.

    Free US shipping; expedited shipping available!

    WatchCo.com is an authorized Casio watches retailer

    Casio Model GDF100-1A

    Glossary of Watch Terms


    View our Glossary of Watch Terms
    • 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

    Casio watches are well known for the wide variety and innovation of its wristwatches. It was one of the earliest manufacturers of quartz crystal watches, both digital and analog. Casio was one of the first manufacturers of watches that could display the time in many different time zones and of watches with temperature, atmospheric-pressure, altitude, and even GPS position displays.

    With this watch, you will receive: Available to ship to:
    • United States
    • Canada
    • Australia
    • Worldwide