GGB100XMH-5A
GGB100XMH-5A is backordered and will ship as soon as it is back in stock.
Expand your horizons with a MASTER OF G — designed for pros working in the toughest of environments. Take the first step in a journey of endless exploration with the MASTER IN HORIZON GOLD, inspired by the golden horizon where earth meets sky. This is one tough watch built to deliver with refined style and rugged performance.
The design features a metal bezel finished in light yellow gold ion plating and key metal components accented with brown ion plating. Paired with a dark brown resin band, these timepieces project the awe-inspiring power of nature.
The GGB100XMH-5A, with its stainless-steel bezel, projects refined, sophisticated style. The carbon fibre-reinforced resin case ensures a tight seal and excellent shock resistance, keeping damage and warping at bay. Featuring a filter to protect against mud and a back cover made of shock-resistant fine resin strengthened with glass fibre, it provides outstanding resistance to dust and mud. Practical and functional, the watch is equipped with digital compass, altimeter/barometer, and thermometer, as well as step counter. Easily correct the time using the dedicated 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. This dependably tough timepiece delivers what you need to make quick decisions and take decisive action.
Timepiece Size Chart

Case dimensions (length x width x height) shown here are standard values and may differ from actual product dimensions. Use the case dimensions provided here as general reference values.
* Dimensions show the measurements indicated in the illustration above.
GGB100XMH-5A is backordered and will ship as soon as it is back in stock.
Mudmaster and MASTER OF G
Basic Information
Basic Information
-
BandBio-based resin band
-
Case and bezel materialBio-based Carbon / Stainless steel
-
Case size (L × W × H)
-
ConstructionShock Resistant, Mud Resistant, Carbon Core Guard structure
-
Power supply and battery lifeApprox. battery life: 2 years on CR2025
-
Sensor feature
-
Time adjustmentBluetooth: Connects to a smartphone and automatically adjusts the time
-
Water resistance200-metre water resistance
-
Weight
Exterior
Exterior
-
Compatible band size
-
GlassMineral Glass, Spherical Glass
-
Other
-
Surface treatmentLight yellow gold ion plated bezel
Smartphone Link / App Connectivity Features
Smartphone Link / App Connectivity Features
-
App connectivity featureAuto time adjustment, Easy watch setting, Approximately 300 world time cities, Life log data, Mission log, Location Indicator, Location Memory, Mode/Display switching customization, Auto altitude correction, Phone finder
-
Apps
-
Smartphone link featureMobile link (Wireless linking using Bluetooth®)
Features
Features
-
AccuracyAccuracy: ±15 seconds per month (with no mobile link function)
-
Alarm / hourly time signal
-
CalendarFull auto-calendar (to year 2099)
-
Light
-
Mute featureButton operation tone on/off
-
Other features
-
Stopwatch
-
Sunrise / sunset display
-
Timer
-
World time









