Enjoy both fearless adventure and a comfortable fit with this tough and rugged Master of G Mudmaster flagship timepiece.
This analog-digital combination watch delivers a more comfortable fit and outstanding durability with a robust exterior incorporating a guarding structure built with metal components.
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 even further with the ability to handle the roughest on-land environments, earning the appreciation and trust of rangers and rescue teams operating in extreme environments.
The comfortably sized GWG-B1000 features a metal exterior crafted with high-precision forging techniques and a carbon fiber-reinforced resin case*1 that offers high strength and outstanding durability.
Radio-controlled and solar-powered, the watch is also equipped with a triple sensor that keeps you updated with direction, altitude, barometric pressure, and temperature readings. Double LED lights and sapphire crystal ensure high readability so you always see the time and other readings, no matter what the conditions are like.
Input a specific location in the app and the Location Indicator function moves the indicator hand at the 3 o’clock position to point in that direction so you stay on track at all times — even when visibility is obstructed by extreme conditions like sandstorms.
The use of bio-based resins for the case, some bezel components, and the band make for a watch that demonstrates the MUDMASTER commitment to the environment.
*1 Due to the characteristics of carbon fiber-reinforced resin, the pattern and color tone that appears on the surface will vary model by model.
Case size (L× W× H) 58.7 × 52.1 × 16.2 mm
Weight 114 g
Case and bezel material: Bio-based Resin / Stainless steel
Bio-based resin band
Shock Resistant
Vibration resistant
Mud Resistant
Carbon Core Guard structure
200-meter water resistance
Time adjustment
Radio-controlled Watch; Multi band 6
Bluetooth: Connects to a smartphone and automatically adjusts the time
Tough Solar (Solar powered)
Sensor feature
Compass function:
16 direction / direction angle (0 to 359°) measured, direction continuous measurement (60 seconds), north direction guideline function.
Bearing memory function. Automatic horizontal, magnetic declination, and orientation correction function.
Barometric pressure measurement function
(measurement range: 260~1,100hPa (7.65~32.45inHg), 1hPa (0.05inHg)),
Barometric pressure trend graph display (past 20 hours displayed), pressure difference indicator (±10hPa)
Barometric pressure trend information alarm (when a characteristic change in air pressure occurs, it will be notified by arrows and sound notification)
The pressure trend graph can be changed to measurement every 30 minutes.
That's for the last 5 hours.
*Changeover between hPa and inHg
Altitude measurement function/relative altimeter
(measurement range: -700 to 10,000 m (-2,300 to 32,800 ft), in units of 1 m (5 ft))
Advanced memory (up to 30 manual memories of measurement date, month, time, and altitude),
Automatic recording data (highest/lowest altitude, auto accumulation (ascent/descending) memory)
Altitude trend graph, altitude difference indicator (±100 m/ ±1,000 m)
Measurement interval setting function (every 5 seconds / 2 minutes)
*Every 1 second for the first 3 minutes only
*Changeover between meters (m) and feet (ft)
Temperature measurement function
(measurement range: -10 to 60 °C (14 °F to 140 °F), 0.1 °C (0.2 °F))
*Changeover between Celsius (℃) and Fahrenheit (℉)
Mobile link (Wireless linking using Bluetooth®)
Apps: CASIO WATCHES
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
App information
Time & place
Mission log
Location Indicator
Location Memory
Mode/Display switching customization
Auto altitude correction
Phone finder
Sapphire crystal with anti-reflective coating
Screw Lock Crown
DLC Coating bezel
Gray ion plated bezel
Compatible band size 145 to 215 mm
Neobrite
World time : 38 time zones (55 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping
Sunrise, sunset time display
Sunrise time and sunset time for specific date
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 second
Countdown range: 60 minutes
Countdown start time setting range: 1 minute to 60 minutes (1-minute increments)
5 daily alarms
Hourly time signal
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)
LED:White
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Hand home position correction feature
The auto hand home position correction
Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)
Battery level indicator
Approx. battery operating time:
6 months on rechargeable battery (operation period with normal use without exposure to light after charge)
24 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)
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),
2 dials
Digital: Hour, minute, second, pm, month, date, day
Time adjustment details
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
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
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund as soon as we get the returned item.
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item. Once Return Authorization is given please return the item within 14 days. No packages will be accepted once the return period has expired.
Shipping
We ship only to continental US, Alaska & Hawaii address. We do not ship to P.O.Box, APO/FPO address or make any International shipments.
All orders are processed and shipped in 48 HR period once the payment is approved and received.
All orders are shipped with Priority Mail service ( 2-3 days ) Some areas it takes an additional day ( Hawaii, Alaska and rural areas ). Please also consider that Sundays and Holidays will delay the delivery.
