Built for the harshest environments, the CASIO G-SHOCK GG-1000-1A MUDMASTER is engineered to perform where rubble, dust, and mud dominate. Part of the elite G-SHOCK Mudmaster Series, this Twin Sensor timepiece combines uncompromising toughness with intuitive operability for professionals, explorers, and outdoor enthusiasts.
With a single press of the oversized 3 o’clock button, instantly access the digital compass to determine direction, while the 4 o’clock button activates the thermometer for real-time temperature readings. A specially designed mud-resistant button guard cylinder structure prevents fine debris from entering the case, absorbs shock, and ensures reliable operation even in extreme conditions.
Large Arabic numerals, bold hands, and Neobrite coating provide excellent visibility, while military-inspired design details — including a sprocket-style mode display and textured non-slip band — reinforce its rugged, mission-ready character.
Key Features:
⦁ Mud Resistant & Shock Resistant construction
⦁ Twin Sensor: Digital Compass & Thermometer
⦁ 200-meter water resistance
⦁ Oversized buttons for easy operation with gloves
⦁ Military-inspired rugged design with high legibility
⦁ Super Illuminator LED backlight
Technical Specifications:
⦁ Case size: 56.2x55.3x17.3mm
⦁ Weight: 94gm
⦁ Case & Bezel Material: Resin / Stainless steel
⦁ Band: Resin band
⦁ Glass: Mineral glass
⦁ Battery life: Approx. 2 years (SR927W × 2)
⦁ Accuracy: ±15 seconds per month
⦁ Sensor Features
⦁ Digital Compass
⦁ Hand indication of North (20-second continuous measurement)
⦁ 16 directional points
⦁ Measuring range: 0–359° (1° unit)
⦁ Bidirectional calibration
⦁ Magnetic declination correction
⦁ Bearing memory
⦁ Thermometer
⦁ Measuring range: –10°C to 60°C (14°F to 140°F)
⦁ Display unit: 0.1°C / 0.2°F
⦁ Watch Functions
World Time:
⦁ 31 time zones (48 cities + UTC)
⦁ Daylight saving on/off
⦁ Stopwatch: 1/100-second (up to 23:59'59.99'')
Countdown Timer:
⦁ Up to 60 minutes
⦁ 1-second increments
Alarms:
⦁ 5 daily alarms (with 1 snooze alarm)
⦁ Hourly time signal
LED Backlight:
⦁ Super Illuminator
⦁ Auto light, selectable 1.5 or 3-second duration
⦁ Calendar: Full auto-calendar (to year 2099)
Other:
⦁ Low battery alert
⦁ Button operation tone on/off
⦁ 12/24-hour format
Timekeeping:
⦁ Analog: Hour, minute (moves every 10 seconds), second
⦁ Digital: Hour, minute, second, PM, month, date, day