GST-B300 Series


My GShock

A model made in collaboration with Wildlife Promising, a certified NPO that considers ways of achieving coexistence between wildlife conservation and people's lives in Africa. The theme of the 2020 model is the African rock python, which is the largest snake in Africa and is classified as endangered under the Washington Convention. The watch bezel includes a cool python pattern. The band loop and buckle feature black ion plating and an engraving of the Wildlife Promising logo. The Love The Sea And The Earth logo is engraved on the back cover. The package features a special python pattern design.


Technology /

Carbon Core Guard Structure

Carbon Core Guard Structure

Bezel & Front Button

Bezel & Front Button

Tought Solar

Tough Solar

Resin band

Resin band

G-SHOCK Connected

Smartphone App

- Automatic time adjustment*
- World Time for over 300 cities*
- Alarm/Timer setting
- Phone Finder

* Updating of internal data according to the latest time zone/ daylight saving time information

* App screens shown here may differ from actual screens, 
since the app is currently under development.

* The Bluetooth® wordmark and logo are registered trademarks of Bluetooth SIG, Inc. and any use of these marks by Casio Computer Co., Ltd. is under license.
* Apple, Apple logo and iPhone are trademark of Apple Inc. registered in the United States and other countries. App Store is a service mark of Apple Inc.
* IOS is a trademark or registered trademark of Cisco Systems, Inc. registered in the U.S.
* Google Play and the Google Play logo are trademarks of Google LLC.
* All other company and product names are trademarks or registered trademarks of their respective owners.
List of Countries and Geographic Areas where Product Conforms to Radio Laws or Has Been Approved.

*The color tone of the listed products may differ from the actual product in some cases.

Select a location