G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia
G-SHOCK-GGB100XM-1A-Watches-CASIO Australia

GGB100XM-1A

MUDMASTER

COMING SOON

For the fearless adventurer, a tough and rugged Master of G MUDMASTER featuring a strong, durable metal bezel.

The watches of the G-SHOCK Master of G line, developed for professionals working in the harshest environments, come equipped with even tougher functionality. And the MUDMASTER takes this another step further with the ability to handle the roughest rubble and debris-strewn terrains, earning the appreciation and trust of rangers and rescue teams operating in extreme environments.

The GG-B100XM-1ADR features a silvery stainless-steel bezel with a honing finish, delivering outstanding scratch resistance that protects against mud and dust and a subtle matte texture that minimises reflected light. The stainless-steel GG-B100XMB-1ADR bezel is ion-plated in black with a mirror finish for both outstanding scratch resistance and a refined lustre.

These MUDMASTER employ high rigidity carbon for the carbon fibre-reinforced case to keep damage and warping at bay and ensure a tight seal and excellent shock resistance. Featuring a filter to protect against mud, a stainless-steel panel back, and a back cover made of shock-resistant fine resin embedded with glass fibres, these timepieces provide a high level of resistance to dust and mud. Key components for the case and band are made with bio-based resin. Produced using renewable organic resources, this material is expected to help reduce environmental impact.

Practical and functional, the watches are 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.

You can depend on these tough timepieces to deliver what you need to make quick decisions and take decisive action.

  • 2 year warranty
Band
  • Bio-based resin band
Case and bezel material
  • Bio-based Carbon / Stainless steel
Case size (L× W× H)

55.4 × 51.3 × 19.4 mm

Construction
  • Shock Resistant
  • Mud Resistant
  • Carbon Core Guard structure
Power supply and battery life
  • Approx. battery life: 2 years on CR2025
Sensor feature

Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range
Power Saving: Auto sensor sleep state entry after fixed period of non-activity
Altimeter
Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)
Measuring unit: 1 m (5 ft.)
Hand indication graph of altitude differential
Manual memory measurements (up to 14 records, each including altitude, date, time)
Auto log data (High/low altitudes, cumulative ascent and descent)
Others: Relative altitude readings (±100 m /±1000 m), selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only)
*Changeover between meters (m) and feet (ft)
Barometer
Measuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
Measuring unit: 1 hPa (0.05 inHg)
Hand indication of pressure differential (±10 hPa)
Atmospheric pressure tendency graph (last 20 hours or last 56 hours)
Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)
The atmospheric pressure tendency graph can show the last 20 minutes or last 56 minutes of measurements.
The hand indication of pressure differential shows values in units of ±0.1 hPa.
*Changeover between hPa and inHg
Digital compass
Measures and displays direction as one of 16 points
Measuring range: 0 to 359°
Measuring unit: 1°
60 seconds continuous measurement
Hand indication of north
Magnetic declination correction
Direction calibration (2-point calibration, figure eight calibration, auto calibration)
Thermometer
Measuring range: -10 to 60℃ (14 to 140℉)
Measuring unit: 0.1℃ (0.2℉)
*Changeover between Celsius (℃) and Fahrenheit (℉)

Time adjustment
  • Bluetooth: Connects to a smartphone and automatically adjusts the time
Water resistance
  • 200-meter water resistance
Weight

104 g

Compatible band size

145～215mm

Glass
  • Mineral Glass
  • Spherical Glass
Other

Neobrite

App connectivity feature
  • Auto time adjustment
  • Easy watch setting
  • Approximately 300 world time cities
  • Life log data
  • Mission log
  • Location Indicator
  • Location Memory
  • Mode/Display switching customisation
  • Auto altitude correction
  • Phone finder
Apps

CASIO WATCHES

Smartphone link feature
  • Mobile link (Wireless linking using Bluetooth®)
Accuracy
  • Accuracy: ±15 seconds per month (with no mobile link function)
Alarm/hourly time signal

5 daily alarms (with progress beeper)
Hourly time signal

Calendar
  • Full auto-calendar (to year 2099)
Light

Double LED light
LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

Mute feature
  • Button operation tone on/off
Other features

12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
Digital: Hour, minute, second, am/pm, month, date, day

Stopwatch

1/100-second stopwatch
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times

Sunrise/sunset display

Sunrise, sunset time display
Sunrise time and sunset time for specific date

Timer

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-minute increments and 1-hour increments)

World time

38 time zones (38 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

MUDMASTER with Quad Sensor and stainless steel bezel for enhanced durability and refined finish

Designed for use in harsh environments, the MUDMASTER GG-B100XM combines a shock-, dust-, and mud-resistant structure with a stainless steel bezel that offers excellent durability, scratch resistance, and refined brilliance. The result is solid functionality and strength worthy of the name “survival gear.” Equipped with a Quad Sensor and Smartphone Link functions, the watch provides multi-dimensional support for a wide range of field activities. With materials, construction, and functions working in harmony, the watch stands as a reliable companion for extreme conditions.

Stainless steel bezel: Refined craftsmanship highlighting the aesthetics of practical elegance

As a defining element of the toughness-oriented design, the bezel conveys a strong presence. Made with stainless steel, its complex form of multiple surfaces and contours is shaped through forging. The top surface, beveled edges, and sides are each finished with different polishing techniques.

The GG-B100XM employs a silver-coloured bezel with a honed matte finish that enhances resistance to mud and dust while reducing light reflection, giving it a calm, subdued texture. The GG-B100XMB features a black ion-plated bezel with mirror polishing, combining high scratch resistance with a refined metallic sheen.

Shock-, dust-, and mud-resistant structure delivered by carbon fibre-reinforced resin

Offering high strength and excellent weather resistance, the carbon fiber-reinforced resin case protects the module. Gaskets are applied around the buttons to ensure a tight seal, providing reliable dust and mud resistance even in harsh environments. Carbon fibre-reinforced resin is also used for the cover enclosing the case back and for the movable parts on the underside of the band, enhancing both durability and wearing comfort.

* Image shows the GG-B100XM-1A.

Quad Sensor supporting land missions

In addition to the triple sensor that measures compass bearing, altitude/barometric pressure, and temperature, the watch is equipped with an accelerometer for step counting. By collecting diverse data, the Quad Sensor makes it easy to monitor environmental changes and track activity history, helping ensure reliable performance in land missions under the toughest conditions.

* Image shows the GG-B100XM-1A.

Bio-based resin

Key resin components used in the case, band and case back are made with bio-based resin.

* Image is included for illustrative purposes.

Smartphone Link

The watch connects to a smartphone via Bluetooth® to automatically adjust the time. Using the dedicated app, various watch settings and mission logs can be managed with ease.

Super Illuminator

High-brightness auto double LED light improves watch readability in the dark.

Shock resistant

20 bar water resistant

Keeps yourself in time

Easy to operate via smartphone

Resistant to mud

Lets you know the barometric pressure and altitude

Shock resistant

20 bar water resistant

Keeps yourself in time

Easy to operate via smartphone

Resistant to mud

Lets you know the barometric pressure and altitude