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.
Place your order for this product by December 18th to receive by 12/24.
If you’re not satisfied with your purchase, you can return the item within 30 days of the date you received it for a full refund, minus any shipping costs. All items must be returned in new, unused condition, and will undergo quality checks. Please include all packaging and materials such as boxes, manuals, warranty cards, instructions, tags, or any other materials in the original shipment. GovX does not cover postage or shipping expenses on returned items unless there are special circumstances, such as damaged or defective merchandise.
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
Auto hand home position correction
Smart Access Electronic Crown w/Quick-lock
Hands move away from LCD screen during measurments
200M Water Resistant
Low Temperature Resistant (-10 C / 14 F)
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)