Casio G-Shock GDF100

Item Number: GDF100-1A

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    Description

    • This totally new design for G-Shock comes packed with altimeter, barometer and thermometer, plus a powerful collection of additional features. Its design has been carefully crafted to incorporate a number of basic elements that reflect G-Shock’s unique individuality.

      Features

      • Band Type: Resin
      • Dial Code: Digital
      • Front-Facing Twin Sensor Design (Altimeter/Barometer & Thermometer)
      • Super Illuminator LED
      • 48-City World Time
      • 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

    Reviews: Casio G-Shock GDF100

    5 out of 5

    Reviewed by 7 customers

    Have an opinion on this product? Share your thoughts.

    • Awesome watch

      Customer Rating
    • Date: 8/12/2013
      Reviewer: | Winston Salem
    • 5 out of 5 I go hiking a lot so this watch is awesome when you need to know direction,altitude and whether a storm is coming over the mountain. I had a Casio Forester for 8 years that had the same features so I know that they make a great product.

    • A thing of beauty

      Customer Rating
    • Date: 2/15/2013
      Reviewer: | S.W. Michigan
    • 5 out of 5 The coolest, most feature packed G-Shock you'll find for the price. If you read the manual and understand the features, you'll be able to get the most out of this dynamo.

    • great watch

      Customer Rating
    • Date: 11/9/2011
      Reviewer: | PA
    • 5 out of 5 The screen is easy to see and the works great for dark conditions. I haven't had a chance to check the barometer and altitude for accuracy but appear to be ok. The temperature tends to read somewhere between your body temp and actual temperature. For an accurate read it needs to be off your wrist for atleast 10-15 minutes which limits its usage as a handy temperature gauge. This does limit the temperature feature somewhat but is still cool. Overall I love the way this watch looks and functions. It is sturdy and waterproof. I have already tested it at the beach and in the pool. Pros: Attractive color and design with nice features. Cons: Pricey for a digital watch. I wish the temperature sensor was accurate while on the wrist. Overall very satisfied and would by a G-Shock again.

    • Great Watch

      Customer Rating
    • Date: 11/4/2011
      Reviewer: | Vermont
    • 5 out of 5 I have had many high speed watches in my day but this one is one of my favorites! Rugged, easy to use and just a great watch for anyone who works outdoors. Very accurate (you must know how to use a baromoter and understand that the temp will be higher than the actual temp when the watch is on your arm) and user friendly. The led light is BRIGHT! All in all, I really like this watch even when compared to my Suunto MI X9 ($500 watch

    • Great Watch, Good Price

      Customer Rating
    • Date: 10/9/2011
      Reviewer: | Brick, NJ
    • 5 out of 5 The watch came in the new hexagonal black tin from G-Shock. The watch is not a dark black color. It is very matte in color and almost a really dark grey which I really like. The texture of the watch band is great. Hard to explain exactly, its a mixture of plastic and rubber. The watch feels great on the wrist, not too heavy at all. The display is very bright and crisp. The pictures don't do justice, you really have to see it in person. One big thing I noticed is the four red sensor dots on the left of the watch are not as big as they look in pictures. They are actually pretty small. I had thought they were buttons at first but they are actually the sensor for the barometric pressure Overall Extremely happy with this purchase.

    • Great Features + Unique Style = My New Favorite Wa

      Customer Rating
    • Date: 10/2/2011
      Reviewer: | Hartford, CT
    • 5 out of 5 I received the watch in less time than originally estimated so that's always a plus. I purchased this G-shock for its altimeter function and durability and so far it has exceeded my expectations. The face is large and the backlight is an amazing blue. It was able to automatically decipher between the elevation in one of the buildings I work at while riding the elevator. I would recommend this G-shock to anyone.

    • fine

      Customer Rating
    • Date: 9/5/2011
      Reviewer: | albuquerque
    • 3 out of 5 its a g-shock: big, resistant, nothing to worry about. but the extras (thermometer, altimeter and barometer) are not as reliable. the thermometer catches the heat of your body, so you need to take it out and wait to get a proper temperature. the altimeter and barometer go crazy all the time. it is a good watch for general use, but mediocre if you depend on the informations from the extras.

    Casio G-Shock GDF100 Black

    Available Colors

    • Casio G-Shock GDF100 Black

    About Casio

    Casio collage Founded in 1946, Casio has been creating new and exciting problem-solving devices. Well known for its calculators, the first electronic model was produced in 1954 and was the size of a desk. Brimming with creativity and ingenuity, its employees developed a compact version just a few years later. In the 1980s, Casio expanded into wristwatches. Utilizing its employees' vast knowledge of electronics and technology, it was one of the very first companies to manufacture watches that had temperature, atmospheric pressure, altitude and GPS position displays. One thing is for certain—Casio will continue to innovate and create quality, dependable electronics.
    Styles Availability Price/Each
    Casio G-Shock GDF100 Black Black
    SKU: COGDF100-1A
    In Stock $103.99
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