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MASTER OF G · MUDMASTER · CARBON · TRIPLE SENSOR
Casio G-Shock Master of G
MUDMASTER GG-B100Y-1AER
Bright yellow for rescues. High-rigidity carbon, mud resistant, Triple Sensor, Bluetooth, step counter and mission log.
🟡 Casio G-Shock MUDMASTER GG-B100Y-1AER: Conquer tough terrain with rescue yellow
Conquer tough terrain and draw attention with a tough, attractive and striking watch. Designed to function even in the harshest environments, the specialized MASTER of G watches display time at a new level with a tough design, accompanied by a bright yellow for emergency rescues. The GG-B100 MUDMASTER features high-rigidity carbon in the case to keep damage and deformation at bay, guaranteeing a high level of sealing and shock resistance. This model also has a high level of dust and mud resistance, as it features a stainless steel panel on the back and a back cover made of fine shock-resistant resin embedded with glass fibers. The bezel uses three layers of fine resin with carbon fiber inserts and this tough design is accentuated in intense yellow. Equipped with digital compass, altimeter/barometer, thermometer and step counter. Bluetooth connectivity with the G-SHOCK app for time correction, mission log (altitude data and smartphone route), Location Memory and much more.
🟡 Key features: Master of G · MUDMASTER · Mud resistant · High-rigidity carbon · Triple Sensor · Bluetooth · Step counter · Mission log · Location Memory · 20 ATM.
⚡ Functions and features
The GG-B100Y-1AER includes everything you need to conquer the most extreme terrains.
🧭 Triple Sensor
Digital compass (16 points, 0-359°)
Bidirectional calibration and figure 8
North indication on hand
Altimeter (-700 to 10,000 m)
Manual memory (14 records)
Altitude difference on hand
Barometer (260-1100 hPa)
Trend graph (20/56h)
Pressure change alarm
Thermometer (-10 to 60°C)
🏃 Health & Activity
Step counter (3-axis accelerometer)
Range: 0 - 999,999 steps
Sensor power saving
Data management in app
📱 Connectivity & Smart
Bluetooth · Mobile Link
CASIO WATCHES app
Mission log (altitude + route)
Location Memory
Auto altitude correction
Mode/display customization
Phone finder
🌍 Time & Calendar
World time (38 time zones, 38 cities)
Sunrise/sunset display
Full auto-calendar to 2099
12/24h format
5 daily alarms
Hourly time signal
💪 Construction & Materials
Shock resistant
Mud resistant
Carbon Core Guard
3-layer bezel with carbon fiber
Spherical mineral glass
Resin strap
20 ATM (200m) water resistance
⏱️ Stopwatch & Timer
1/100s stopwatch (23:59'59.99'')
Measurement: elapsed, split, 1st/2nd
Countdown timer (24h)
💡 Illumination & Battery
Dual Super Illuminator LED light
Full auto LED light
Illumination duration 1.5/3s
CR2025 battery · approx. 2 years
🎨 Design & Extras
Bright yellow (rescue color)
Hand shift function
Mute function
Neobrite (luminescent indices)
Analog-digital display
Large case: 51.3 mm
📋 Full specs sheet
| Item | Specification |
|---|---|
| Reference | GG-B100Y-1AER |
| Collection | G-Shock Master of G (MUDMASTER) |
| Movement | Analog-digital quartz · Bluetooth |
| Sensor | 3-axis accelerometer (step counter) · Pressure sensor (altimeter/barometer) · Magnetic sensor (compass) · Thermometer |
| Functions | Triple Sensor (compass, altimeter/barometer, thermometer), step counter, world time (38 zones), sunrise/sunset, 1/100s stopwatch, 24h timer, 5 alarms, dual LED light |
| Case and bezel | Carbon + carbon fiber resin · 3-layer bezel · 55.4 × 51.3 mm, 19.4 mm thick |
| Special resistance | Shock resistant · Mud resistant · Carbon Core Guard |
| Strap | Black resin with yellow details, standard buckle, 145-215 mm |
| Glass | Spherical mineral |
| Water resistance | 20 ATM (200 meters) |
| Battery | CR2025 · Approx. battery life: 2 years |
| Connectivity | Bluetooth · Mobile Link · CASIO WATCHES app |
| Accuracy | ±15 seconds/month (without Mobile Link) |
| Gender | Men / Unisex |
| Weight | 92 g |
✅ Who is this Casio G-Shock Master of G MUDMASTER for?
It is the ideal watch for rescue professionals, explorers, adventurers and outdoor lovers who need a reliable instrument with Triple Sensor and a bright high-visibility yellow color. Its mud resistance, shock and water resistance (20 ATM), together with the Carbon Core Guard structure and the carbon fiber bezel, make it practically indestructible. Bluetooth connectivity and the app allow mission log (altitude + route), Location Memory and automatic altitude correction. Perfect for those who demand the maximum in extreme environments and need a color that stands out in any situation.
🔒 Buy with official warranty
This Casio G-Shock Master of G MUDMASTER GG-B100Y-1AER is 100% original. Official Casio distributor and specialized technical service.
This Casio G-Shock Master of G MUDMASTER GG-B100Y-1AER is 100% original. Official Casio distributor and specialized technical service.
Get the MUDMASTER GG-B100Y-1AER, the rescue yellow for extreme environments
Carbon Core Guard · Mud resistant · Triple Sensor · Bluetooth · Step counter · Mission log · Location Memory · Spherical glass · 20 ATM · Free 24-48h shipping
✔ Official Casio distributor
✔ Official warranty
✔ 30-day returns
Secure payment · Personalized attention
Casio G-Shock Master of G MUDMASTER GG-B100Y-1AER · Carbon Core Guard · Mud resistant · Triple Sensor (compass, altimeter/barometer, thermometer) · Step counter · Bluetooth · Mission log · Location Memory · Spherical glass · 20 ATM · Rescue yellow
Joyería Pato – Plaza de la Piedra nº7, Vigo · Official Casio distributor
