GG-B100Y-1A
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Back engraving
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Conquer tough terrain and grab attention with a rugged timepiece boasting a bold, eye-catching color scheme. Designed to work even in the harshest environments, MASTER of G specialty watches take timekeeping to new heights with a rugged design accented in the bright yellow used for emergency rescues. The GG-B100 MUDMASTER employs high rigidity carbon in the case to keep damage and warping at bay and ensure extreme airtightness and shock resistance. This timepiece also features a filter to protect against mud, a stainless steel panel back, and a back cover made of shock-resistant fine resin embedded with glass fibers, giving it a high level of resistance to dust and mud. The bezel also uses three layers of fine resin with carbon fiber inserts. This tough, rugged design is accented in bright bold yellow. Practical and functional, this watch is equipped with digital compass, altimeter/barometer, thermometer and step counter. Easily correct the time using the dedicated CASIO WATCHES app, and tap into loads of other useful features including the Mission Log, which automatically records altitude data obtained from the watch and route data obtained by your smartphone.
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Back engraving
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Major Features
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Shock resistant
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20 bar water resistant
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Keeps yourself in time
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Easy to operate via smartphone
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Resistant to mud
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Lets you know the barometric pressure and altitude
Specifications

Carbon Core Guard structure
This new shock resistant structure protects modules with a carbon fiber reinforced resin case.

Mud resistant structure (dust and mud resistant)
Highly airtight carbon case and filter protects against intrusion of mud.

Dual layered case back

Carbon fiber inserted bezel
A triple layered structure with a carbon fiber sheet inserted between fine resin.


Quad sensor

Super Illuminator (high brightness LED)
Main Functions
- Mission Log function
The altitude measured by the watch and the course obtained from a smartphone’s GPS are automatically recorded to an app. An altitude point can be manually acquired and plotted on the map.
- Location Indicator
Record your current location in an app. Display shows your recorded destination by the second hand, and the distance on the LCD.
- Calorie calculator
- Mode/display switching customization
- Automatic time adjustment*
- World Time for over 300 cities*
- Phone Finder
* Updating of internal data according to the latest time zone/ daylight saving time information
* 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.
*The color tone of the listed products may differ from the actual product in some cases.