Casio G-Shock Master of G Series Mudmaster Black Resin Strap Watch GWG1000-1A1 GWG-1000-1A1

Introducing a new basic G-SHOCK brand black MUDMASTER model for the MASTER OF G Series watches with special functions for use under extreme conditions on the land, on the sea, and in the air. 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.

The distinctive G-SHOCK black coloring of this model gives it a no-nonsense look of serious toughness.

• Mud resist structure (dust-resistant, mud-resistant)
• Vibration resistant structure
• Barometric pressure/altitude, bearing, temperature readings
• Double LED light illuminates the face and digital display for outstanding readability
• Screw-in crown
• MULTIBAND 6 (Automatically adjusts time settings based on reception of one of six time calibration signals around the globe: Japan (2), China, United States, England, Germany.)
• Tough Solar
• Case / bezel material: Resin / Stainless steel
• Resin Band
• Mud Resistant
• Neobrite
• Screw Lock Crown
• Vibration resistant
• Shock Resistant
• Sapphire Glass with non-reflective coating
• 200-meter water resistance
• 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 illumination duration, afterglow)
• Solar powered
• 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
• Digital compass, Measures and displays direction as one of 16 points
  Measuring range: 0 to 359’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶Ý, Measuring unit: 1’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶Ý, 60 seconds continuous measurement
  Hand indication of north, Bidirectional calibration, Magnetic declination correction
• Altimeter, Measuring range: ’???Ç??Ç?Çï’???’??Ǩ’???’???¶ô¶¦¶ôÇû¶ô¶¦¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦Ç??’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç?Ǩ¶ôÇî700 to 10,000 m ( ’???Ç??Ç?Çï’???’??Ǩ’???’???¶ô¶¦¶ôÇû¶ô¶¦¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦Ç??’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç?Ǩ¶ôÇî2,300 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 (’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸¶ô¶¦¶ôÇû¶ô¶¦¶ôÇñ100m /’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸¶ô¶¦¶ôÇû¶ô¶¦¶ôÇñ1000m),
  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: ’???Ç??Ç?Çï’???’??Ǩ’???’???¶ô¶¦¶ôÇû¶ô¶¦¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦Ç??’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç?Ǩ¶ôÇî10 to 60’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝC (14 to 140’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝF), Display unit: 0.1’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝC (0.2’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝF)
  *Changeover between Celsius (’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝC) and Fahrenheit (’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸’???Ç??Ç?Çï’???’??Ǩ’???¶ô¶ÝF)
• 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 second, Countdown range: 60 minutes
  Countdown start time setting range: 1 second to 60 minutes (1-minute increments)
• 5 daily alarms
• Hourly time signal
• Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement))
• 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: ’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ôÇ÷¶ô¶¦¶ôÇû¶ô¶¦¶ô¶¸¶ô¶¦¶ôÇû¶ô¶¦¶ôÇñ15 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 : 59.5’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç??56.1’???Ç??Ç?Çï’???’??Ǩ’???’???’???Ç?ǨÇ?Çï’???¶ô¶«’???Ç??Ç?Çï’???Ç??’???’???’???Ç?ǨÇ?Çï’???€©’???Ç?ǨÇ?Çï’???Ç??18mm
• Total weight : 119g