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  • GWG1000-1A1 Master Of G Casio G-Shock Watch GWG1000-1A1 Master Of G Casio G-Shock Watch

GWG1000-1A1 Master Of G Casio G-Shock Watch



GWG1000-1A1 Master Of G Casio G-Shock Watch

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.

  • Mud Resistant

  • Atomic Timekeeping

  • Triple Sensor - Compass, Thermometer, Depth Sensor

G-Shock - Toughest Watches featuring Atomic Timekeeping and Tough Solar Technology



GWG1000-1A1 Master Of G Casio G-Shock Watch

  • 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 (4 one-time and 1 snooze alarm)

  • 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:

    • Countdown start time setting range: 1 second to 60 minutes (1-minute increments)

  • Measuring unit: 1 second

  • Countdown range: 60 minutes

  • 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 period 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



GWG1000-1A1 Master Of G Casio G-Shock Watch

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Casio Timepiece warranty


This product, except consumables or articles with limited resistance (e.g. battery, band, case), is warranted to the original purchaser to be free from defects of quality at the time of delivery for a period of one year from the date of purchase ("warranty period"). During the warranty period, and upon proof of purchase, the product will be repaired using CASIO reconditioned replacement parts or the product will be replaced with the same or a similar reconditioned replacement model within a reasonable period of time. To obtain these warranty services, please take or send the product, postage paid, with a copy of your sales receipt or other proof of purchase that shows the date of purchase, to a CASIO Service Center such as TQ Diamonds. There will be no parts or labor charge to you for valid warranty services.

This warranty is void if your watch was purchased from an online auction site or has been damaged by unauthorized service, negligence or accident, or other causes not relating to defective material or workmanship.

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Don't risk losing your warranty buying a watch from an online auction site that can't offer a valid warranty! TQ Diamonds is your #1 authorized dealer.

Established in 1987

TQ Diamonds - customers have been buying with SAFETY and SECURITY since 1987!



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