Take on the toughest terrain with the G-SHOCK MUDMASTER, designed to handle the harshest, roughest on-land environments.
SHOCK RESISTANT
Shock-resistant construction protects against impact and vibration.
TOUGH SOLAR
CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power.
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Solar Power
A solar cell provides power for operation
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Auto-Hand Location
Using an LED, the positions of the hour, minute and second hands are checked at the 55'00" of every hour to ensure correct hand positioning. If the hand time does not coincide with the counter within the IC, the movement corrects the hand position automatically
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LED Light (Super Illuminator)
A light emitting diode is used to illuminate the face/display. Super Illuminator uses high-brightness LED for easier reading
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Compass
A built-in direction sensor detects magnetic north
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Altitude Measurement
A built-in pressure sensor measures barometric pressure, which is converted to relative altitude
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Barometric Pressure Measurement
A built-in pressure sensor measures barometric pressure, which is shown on the display
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Temperature Measurement
A built-in temperature sensor measures the temperature
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World Time (R29)
Displays the current time in major cities and specific areas around the world. R: Current time in major cities around the world. Values indicate number of cities/areas
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Daily Alarm, Hourly Time Signal (5)
The daily alarm sounds each day at the time you set. The value indicates how many alarms are available. The hourly time signal causes the watch to beep every hour on the hour
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Stopwatch (1/100 100HR)
Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement
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Timer (60 MIN)
Counts down from a start time specified by you. The value indicates the number of timers available, while the time figure indicates the maximum starting time. “REPEAT” indicates Auto Repeat, which automatically restarts timing at the end of each countdown
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Full Auto-Calendar
Allowances are made automatically for months of different lengths, including leap year
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12/24-Hour Timekeeping
Times can be displayed in either 12-hour or 24-hour format
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Operation Tone On/Off
The tone that sounds to signal a mode change or other operation can be turned on and off
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Battery Level Indicator
Indicator shows the current battery level
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Triple G-Shock Resistant
Designed to withstand the shock of three forces: gravitational dropping force, centrifugal gravitational force and vibration
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Mud Resistant
Dirt and mud-resistant construction keeps mud and dirt from getting into the watch
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Neobrite
A luminous coating provides long-term illumination in the dark after only short exposure to light
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Vibration
Resistant
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Water Resistant (20 BAR)
The “BAR” value indicates the number of atmospheres to which water resistance is ensured. 20 BAR means water resistance to 20 atmospheres. Watches marked “200m” have the same water resistance as 20 BAR watches
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Case
Carbon Core Guard structure
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Bezel
Layered Carbon
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Sapphire Glass
Glass is made using artificial sapphires with scratch-resistant hardness second only to diamonds and high transparency
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Crown
Screw-Lock
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Band
Resin
- Case / bezel material: Resin / Stainless steel
- Resin Band
- Neobrite
- Screw Lock Crown
- Carbon Core Guard structure
- Mud Resistant
- Shock Resistant
- Sapphire crystal with glare-resistant coating
- Gray ion plated bezel
- 200-meter water resistance
- Tough Solar (Solar powered)
- Double LED light
LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) - Low-temperature resistant (–10°C/14°F)
- Time calibration signal reception
Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
*5 times a day for the Chinese calibration signal
Manual receive
The latest signal reception results - Time Calibration Signals
Station name: DCF77 (Mainflingen, Germany)
Frequency: 77.5 kHz
Station name: MSF (Anthorn, England)
Frequency: 60.0 kHz
Station name: WWVB (Fort Collins, United States)
Frequency: 60.0 kHz
Station name: JJY (Fukushima, Fukuoka/Saga, Japan)
Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/ Saga)
Station name: BPC (Shangqiu City, Henan Province, China)
Frequency: 68.5 kHz - The auto hand home position correction
- Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement))
- 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
Bidirectional calibration
Magnetic declination correction - Altimeter
Measuring range: -700 to 10,000 m ( -2,300 to 32,800 ft.)
Measuring unit: 1 m (5 ft.)
Hand indication of altitude differential
Manual memory measurements (up to 30 records, each including altitude, date, time)
Auto log data (High/low altitudes, cumulative ascent and descent)
Others: Relative altitude readings (±100m /±1000m), Selectable measurement interval: 5 seconds or 2 minutes
*1 second for first 3 minutes only
*Changeover between meters (m) and feet (ft) - Barometer
Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
Display unit: 1 hPa (0.05 inHg)
Hand indication of pressure differential
Atmospheric pressure tendency graph
Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)
*Changeover between hPa and inHg - Thermometer
Display range: -10 to 60°C (14 to 140°F)
Display unit: 0.1°C (0.2°F)
*Changeover between Celsius (°C) and Fahrenheit (°F) - World time
29 time zones (29 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping - 1/100-second stopwatch
Measuring capacity: 23:59’59.99”
Measuring modes: Elapsed time, split time, 1st-2nd place times - Countdown timer
Measuring unit: 1 minute
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-minute increments) - 5 daily alarms
- Hourly time signal
- Battery level indicator
- Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Button operation tone on/off
- Regular timekeeping
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
Digital: Hour, minute, second, am/pm, month, date, day - Accuracy: ±15 seconds per month (with no signal calibration)
- Approx. battery operating time:
6 months on rechargeable battery (operation period with normal use without exposure to light after charge)
25 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) - Size of case: 61.2×54.4×16.1mm
- Total weight: 106g
- Module: 5678
- UPC: 889232311111
