Casio G-Shock - Mudmaster GG-B100XMH-5A - Horizon Gold

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 GG-B100XMH-5A, with its stainless-steel bezel, projects refined, sophisticated style. The carbon fiber-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 fiber, 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.

Construction & Exterior

• Model: GG-B100XMH-5A
• Case size: 55.4 × 51.3 × 19.4 mm
• Weight: 104 g
• Bio-based carbon / stainless-steel case and bezel
• Bio-based resin band
• Shock resistant
• Mud resistant
• Carbon Core Guard structure
• 200 m water resistance
• Mineral / spherical glass
• Light yellow gold ion-plated bezel
• Compatible wrist size: 145–215 mm

Sensors & Outdoor Functions

• Step counter using 3-axis acceleration sensor
• Altimeter: -700 to 10,000 m range
• Manual altitude memory up to 14 records
• Automatic high/low altitude and cumulative ascent/descent logging
• Barometer: 260–1,100 hPa range
• Pressure differential indication and trend graph
• Barometric pressure tendency alarm
• Digital compass with 16-point direction display
• 0–359° compass range in 1° increments
• Magnetic declination correction and direction calibration
• Thermometer: -10 to 60°C
• Sunrise and sunset display

Bluetooth & App Features

• CASIO WATCHES smartphone link
• Automatic time adjustment
• Easy watch setting
• Approximately 300 world-time cities
• Life Log data
• Mission Log
• Location Indicator and Location Memory
• Auto altitude correction
• Mode/display customization
• Phone finder

Watch Functions

• World time: 38 time zones
• 1/100-second stopwatch
• 24-hour countdown timer
• 5 daily alarms
• Hourly time signal
• Double white LED Super Illuminator
• Full auto-calendar to 2099
• 12/24-hour format
• Hand-shift feature
• Approx. 2-year battery life on CR2025