G-Shock Master of G Watch - GWN1000B-1BCR

How much is it?

We've negotiated prices so good, our brand partners don't allow us to share them with people who aren't members of GovX.
Join or log in to see prices and shop.

The new Gulfmaster ocean concept G-Shock that predicts weather changes. For the toughest men who challenge the deepest seas, Casio presents the ultimate maritime G-Shock with Smart Access technology.Equipped with Triple Sensors for Measuring Direction, Atmospheric Pressure/Altitude, and Temperature Hands Serve to Indicate Atmospheric Pressure and Compass Bearing. The GWN1000B-1B Gulfmaster is a black watch with a blue face and ion plated stainless steel bezel.

Members also viewed

Product Details

  • Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China)
  • 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
  • Tough Solar Power
  • Shock Resistant
  • 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

  • 200M Water Resistant
  • Low Temperature Resistant (-10 C / 14 F)
  • Triple Sensor
  • Altimeter
    Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft)
    Measuring unit: 1 m (5ft)
    Manual memory measurements
    Bearing memory
    Auto log data (High/low altitudes, cumulative ascent and descent)
    Others: Relative altitude readings (±100 m/±1000 m)
  • 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)
    Atmospheric pressure tendency graph
    Hand indication of atmospheric pressure differential
    Atmospheric pressure change alarm & indicator (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)
  • Moon Data (moon age of the specific data, moon phase graph)
  • Tide Graph (tide level for specific date and time)
  • Full Auto Dual LED (Super Illuminator) Backlight with Afterglow
    Neo-brite Luminous Hands and Markers
  • World Time
    29 time zones (29 cities + UTC), city code display, daylight saving on/off
  • 5 Daily Alarms
  • Hourly Time Signal
  • 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 to 60 minutes (1-second and 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
    Approx. Battery Life: 6 months on full charge (without further exposure to light)
  • Module 5371