Take on the toughest terrain with the G-SHOCK MUDMASTER, designed to tackle the most rugged and complex terrestrial environments.


This compact design is made possible by the forged carbon crimp, the shell structure with a central carbon protection structure and the mud-resistant buttons combined with stainless steel tubes and silicone bumpers. The precision-sprayed carbon fibre is mixed with resin and then heat-pressed to form a more complex, but even stronger crimp than before.

Triple sensor measurements keep you up to date with direction, altitude, barometric pressure and temperature readings. Large Arabic numerals, extra-thick arrow-shaped hands, dual LED lights and sapphire crystal ensure high visibility.

The strap is textured in the style of heavy-duty non-slip rubber grips and the buttons are knurled for ease of use. A MUDMASTER designed to be practical, durable and powerful.


Housing and Frame Material: Resin / Stainless Steel


Bolt-on crown

Carbon Core Guard construction

Mud Resistant

Impact resistant

Sapphire crystal with glare resistant coating

Grey ion-plated frame

200 Metre Water Resistance

Tough Solar (solar powered)

Dual LED light

LED light for the dial (fully automatic LED light, Super illuminator, choice of illumination duration [1.5 or 3 seconds], luminous persistence)

Low temperature resistant (-10°C/14°F)

Time calibration signal reception

Automatic reception six* times per day (the remaining automatic receptions are cancelled as soon as a successful reception takes place)

Automatic correction of the initial position of the hand

Needle change feature (manual or automatic (during barometric pressure, altitude and temperature measurement))

Digital compass

Measures and displays direction as one of 16 points

Measuring range: from 0 to 359°.

Measuring unit: 1°.

60 seconds continuous measurement

North pointing needle

Bidirectional calibration

Magnetic declination correction


Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)

Unit of measurement: 1 m (5 ft)

Needle indicating altitude difference

Manual memory measurements (up to 30 records; each includes altitude, date and time)

Automatic log information (higher/lower altitudes, automatic cumulative memory of ascent and descent)

Other: Relative altitude readings (±100 m/±1,000 m), selectable measurement interval: 5 seconds or 2 minutes.

*1 second for the first 3 minutes only

* Change from metres (m) to feet (ft)


Display unit: 1 hPa (0.05 inches of Hg)

Pressure difference needle

Atmospheric pressure trend graph

Barometric pressure trend information alarm (buzzer and arrow indicate important pressure changes)

* Change from hPa to inch of Hg


Display range: -10 to 60 °C (14 to 140 °F)

Display unit: 0.2 °F (0.1 °C)

Change from Celsius (°C) to Fahrenheit (°F)

World time

29 time zones (29 cities and coordinated universal time), daylight saving time on/off, local time to world time changeover

1/100 second stopwatch

Measuring capacity: 23:59'59.99''.

Measuring modes: elapsed time, split time, 1st and 2nd position times


Unit of measurement: 1 minute

Countdown range: 60 minutes

Timer start time setting range: 1 second to 60 minutes (1 minute increments)

5 daily alarms

Time signal

Battery charge indicator

Power saving (when the watch is left in the dark the display turns off and the hands stop to save power)

Full automatic calendar (up to the year 2099)

12 and 24 hour format

Activation and deactivation of push-button operation tone

Classic clock functions

Analogue: 3 hands (hour, minute [hand moves every 10 seconds], second)

Digital: hours, minutes, seconds, a.m./p.m., month, date, day

Accuracy: ±15 seconds per month (without calibration signal)

Approx. battery life:

6 months with rechargeable batteries (normal operating time without exposure to light after full charge).

25 months with rechargeable batteries (operating time when stored in total darkness, with power saving function activated after full charge)

Product Details

Bracelet Material
Strap color
Casing colour
Water resistance
Size (H x W x D)
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