Casio G-SHOCK GSW-H1000-1A4JR GSW-H1000-1A4 GPS Satellite Radio Reception 20ATM Watch

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How Do I Return An Item?

If you are not happy with your purchase and wish to return an item, please contact us within 7 days from receiving your order.
Please provide your order number as well as the reason for your return. Our customer service team will review the return request and will send further instructions if the return is approved.
Only items purchased directly from will be accepted. For products purchased from authorized retailers, please get in touch with them directly for returns.
Returned items must be in original packaging, including any accessories, manuals, and documentation.
Returned items must be unused, in the same condition that we sent it to you, and in their original packaging. Stains, folded cards, broken seals/ plastic foiling broken will not be accepted. If the condition of the product shipped back to us is not in acceptable condition we reserve the right to not refund or exchange. Products that have been personalized cannot be refunded or exchanged.
Non-returnable items include items purchased through retailers, incorrect products purchased, and damaged products through customer mishandling.
Returns made without receipt may be refused. Ippojapanwatch reserves the right to deny any return.




G-Shock is a line of watches manufactured by Japanese electronics company Casio, designed to resist mechanical shock and vibration. G-Shock is an abbreviation for Gravitational Shock. The watches in the G-Shock line are designed primarily for sports, military and outdoors-oriented activities; nearly all G-shocks are digital or a combination of analog and digital and have a stopwatch feature, countdown timer, electroluminescent backlight and 200-metres of water resistance.

Product Description

In addition to an optical sensor that can measure heart rate, it is equipped with a directional sensor, altitude / barometric pressure, acceleration, and gyro sensor as useful functions for workouts. In addition, it acquires location information from GPS satellites and measures distance, speed, pace, etc.
The measured data is displayed in high definition on the entire LCD. You can easily monitor the information you want to know while exercising. In addition, in order to support various sports measurements, the Casio original app has made it possible to use it in a wide range of scenes, from daily training to extreme sports and outdoor activities.
The interface designed for each event allows you to customize the display items, so you can freely use multiple functions with your own specifications.
Furthermore, by linking with the dedicated app "G-SHOCK MOVE", it supports various clock settings and training log management. It is also equipped with a sensor overlay function that allows you to create an original movie by synchronizing the recorded video with the measured data, expanding the way you enjoy it not only during sports but also after sports.
G-SHOCK toughness performance and smart watch functionality. It is a new multi-sports gear that has evolved through the fusion of the two.

Product specification

  • Case / Bezel Material: Resin / Stainless Steel
  • Resin band
  • Impact resistant structure (shock resist)
  • Inorganic glass
  • Water resistant to 20 bar
  • Size (H x W x D): 65.6 x 56.3 x 19.5 mm
  • Mass: 103g
    Customer Reviews

    Customer Reviews

    Based on 1 review
    Jack Johnson
    I like my new watch !

    Overall, it was a very good experience ! It took longer than expected to ship the watch but the customer service were helpful and responsive !

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    Casio G-SHOCK GSW-H1000-1A4JR GSW-H1000-1A4 GPS Satellite Radio Reception 20ATM Watch
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