Introducing a new basic G-SHOCK black MUDMASTER model for the MASTER OF G Series watches with special functions for use under extreme conditions on land. The extreme black and minimal coloring of this model helps to ensure that vital information is clear and easy to read, even under the harsh conditions encountered by rescue teams and others who work in extreme environments.
GWG1000-1A1
GWG1000-1A1
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Actual colors may vary
Color Variations 
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At a glance
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Specifications
- Receives time calibration radio signals which keep the displayed time accurate
- Auto receive function (up to 6 times per day/up to 5 times per day for China)
- Manual receive function
- Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC
- Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz
- Mud Resistant
- Buttons use cylendar type guard structure with gaskets for sfts and cylinders to prevent mud and dust from getting into the watch
- Vibration Resistant - Alpha Gel (R)
- Tough Movement
- Auto hand home position correction
- Smart Access Electronic Crown w/Quick-lock
- Fly-back Function
- Hands move away from LCD screen during measurments
- Triple Sensor w/Direct Access Button
- Altimeter
- Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft)
- Measuring unit: 1m (5ft)
- Hand indication of altitude differential
- Manual memory measurements: up to 30 records (each including altitude, date and time)
- Auto log data: High altitude, Low altitude, cumulative ascent, cumulative decent
- Others: Relative altitude reading (+/-100m to +/-1000M), selectable measurement interval (5-seconds or 2-minutes)
- Digital Compass
- Measures and displays direction as one of 16 points
- Measuring range: 0 to 359 degrees
- Measuring unit: 1 degree
- 60 seconds continuous measurement
- Hand indication of North
- Bidirectional calibration
- Magnetic declination correction
- 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
- Atmospheric pressure tendency information alarm (beep and arrow indicates significant change in pressure)
- Thermometer
- Display range: -10 to 60 C (14 to 140 F)
- Display unit: 0.1 C (0.2 F)
- Double LED light
- LED light for the face (Full Auto LED Light, selectable illumination duration, Afterglow)
- LED Backlight for the digital display (Full Auto LED light selectable illumtion duration, afterglow)
- Neo-brite Luminous Hands and Markers
- World Time
- 29 time zones (29 cities + UTC), daylight saving on/off, home city/world time city swapping
- 5 Daily Alarms
- Hourly Time Signal
- 1/100 Second Stopwatch w/Direct Access
- 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 second to 60 minutes (1-minute increments)
- Full Auto Calendar (Pre-programmed until the year 2099)
- 12/24 Hour Formats
- Button operation tone on/off
- Accuracy: ± 15 seconds per month (with no signal calibration)
- Storage Battery: Solar Rechargeable Battery
- Battery Level Indicator
- Power Saving Function (display goes blank and hands stop to save power when left in the dark)
- Approx. Battery Life: 6 months on a rechargeable battery (operation perio with normal use without exposure to light after charge)
- 25 months on rechargeable battery (operation when stored in total darkness with the power save function on after full charge)
- Module 5463
- Size of case/total weight
- GWG1000 59.5 x 56.1 x 18.0mm / 119g
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