Product Overview
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.
- 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
Band Length: 145mm - 215mm
Size of case/total weight
44.9 X 55.8 X 16.2 mm/101g
- Model: GSGWN1000B-1B
- Manufactured by: Casio G Shock
