The G-SHOCK MASTER OF G series supports activities in harsh environments
The black body, which symbolizes toughness, is accented with vivid emergency colors to express the worldview of professionals taking on tough missions at rescue sites and other such situations.
We use MUDMASTER's GWG-B1000, MUDMAN's GW-9500, and GR AVITYMASTER's GR-B300 to support our activities on land and in the air.
The MUDMASTER GWG-B1000EC is shock-resistant, dust-proof, mud-proof, and vibration-resistant, and is equipped with Bluetooth® radio solar and triple sensors.
The fusion of different materials, such as carbon fiber reinforced resin and forged metal, creates a powerful design that is both durable and comfortable to wear.
It also has a location indicator function that shows the direction to your target location.
The MUDMAN GW-9500MEC is shock-resistant, dust-proof, and mud-proof, and is equipped with radio solar and triple sensors.
The use of a duplex LCD that improves the visibility of the direction display has increased the practicality of the digital compass.
In addition, stainless steel is used for the bezel parts.
Black IP finish gives it a bold design.
The GRAVITYMASTER GR-B300EC expresses an organic form inspired by next-generation aircraft with a seamless exterior design.
Carbon core guard structure and 3D wide face for durability, visibility, and comfort
It also comes equipped with practical functions such as dual time, which displays the time in two cities simultaneously, a flight log, which allows you to manage your travel history, and Bluetooth® radio-controlled solar power.
All three models use biomass plastic for the center case, bezel, and band.
This is a tough watch that supports quick decisions and precise actions.

- Shock-resistant structure
- Vibration-resistant structure
- Dust-proof and mud-proof construction
・ Tough Solar (solar charging system)
- 20 ATM water resistance
Radio wave reception function: Automatic reception (up to 6 times/day) (up to 5 times/day for Chinese radio waves) / Manual reception, <Japan> Received radio waves: JJY, Frequency: 40k Hz / 60k Hz (Fukushima/Kyushu station compatible model) <North America> Received radio waves: WWVB, Frequency: 60k Hz <Europe> Received radio waves: MSF/DC F77, Frequency: 60kHz/77.5kHz <China> Received radio waves: BPC, Frequency: 68.5kHz *If you set the home time setting to a city that can receive radio waves, the station corresponding to the city will be received.
The time difference is set according to the selected city or time zone.

- Mobile Link function (function linkage via Bluetooth® communication with compatible mobile phones)
- Automatic needle position correction function
- Hand retraction function (manual, automatic (when measuring altitude, barometric pressure, temperature))
- Orientation measurement function: Measures 16 orientations and orientation angles (0 to 359°), continuous orientation measurement (60 seconds), north direction pointer function, bearing memory function, automatic horizontal correction function, magnetic declination correction function, orientation correction function
- Barometric pressure measurement function (measurement range: 260 to 1,100 hPa, in 1 hPa increments), barometric pressure trend graph display (displays the past 20 hours), pressure difference indicator (±10 hPa), barometric pressure trend information alarm (notifies you with an arrow and sound when a significant change in barometric pressure occurs) *The barometric pressure trend graph can be changed to measure every 30 minutes
In this case, it is the past 5 hours

Altitude measurement function/Relative altimeter (measurement range: -700 to 10,000m, 1m increments), altitude memory (manual memory for up to 30 records of measurement date, time, and altitude), automatic recording data (maximum/minimum altitude, auto-accumulation (ascent/descent) memory), altitude trend graph, altitude difference indicator (±100m/±1000m), measurement interval setting function (every 5 seconds/2 minutes) * Every 1 second for the first 3 minutes only
- Temperature measurement function (measurement range: -10 to 60°C, in 0.1°C increments)
World time: Time display for 55 cities (38 time zones, daylight saving time automatic setting function) + UTC (Coordinated Universal Time), home city swap function, UTC direct call function
Sunrise and sunset time display Stopwatch (1/100 seconds, 24 hour counter, split)
- Timer (set unit: 1 minute, maximum set: 60 minutes, measured in 1 second units)
- 5 time alarms - Hourly time signal
- Battery indicator display
- Power saving function (when left in the dark, the display is turned off and the hands stop moving after a certain period of time to save power)
- Fully automatic calendar
- 12/24 hour display switching
- Operation sound ON/OFF switching function
Double LED light: LED light for dial (with full auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds / 3 seconds)), LED backlight for LCD (with full auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds / 3 seconds))
・ Operating time from full charge without solar power generation When using the function: Approximately 6 months When in power saving mode: Approximately 24 months
Model Number: GWG-B1000EC-1AJF


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Casio  Silver  G-Shock Mudmaster GWG100  G-Shock Master of G Mudmaster Men's  Men's Casio G-Shock 40th Anniversary Flare