CASIO is proud to announce a major advance in the GULFMASTER lineup of watches designed to stand up to the rigors of world oceans, with these new models that come equipped with four sensors.
These models are designed to provide vital information about constantly changing ocean conditions for coast guard crews who respond to emergency situations on rough seas. In addition to being the first G-SHOCK analog models equipped with a depth sensor, these models also come equipped with a barometric pressure sensor that can be used to predict upcoming weather changes, a temperature sensor that detect the change of air and water temperature, and a digital compass that can be used to determine wind and tide directions. An auto level correction function detects the angle of the watch during digital compass readings and compensates accordingly, which helps to ensure correct readings while on a rocking boat. A dial at 5 o'clock is used to alert the wearer to sudden changes in barometric pressure, and acts as a Tide Graph to indicate high and low tide information. A dual-coil motor drives a retrograde dial hand to provide the wearer with instant feedback on the constantly changing natural environment.
A new case reinforced with highly rigid carbon fiber adds a greater degree of toughness. Buttons are structured of metal pipes and triple O-rings for greater durability and water resistance. The shockresistant back cover and the urethane band create a comfortable fit to the wrist. Everything about these models is designed and engineered for maritime use.
All of this and much more makes GULFMASTER the watch that helps you meet the challenges of maritime conditions.
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Quad Sensor
- Depth meter
- Digital Compass
- Barometer/Altimeter
- Thermometer
- Tide Graph/Moon Data
- Time Stamp
- Radio-controlled (MULTIBAND 6)
- Tough Solar
- Auto Hand Home Position Correction
- Double Super Illuminator LED Lights
- Sapphire crystal
 
 
- Sapphire Glass with non-reflective coating
- Screw Lock Crown
- 200-meter water resistance
- Case / bezel material: Resin / Stainless steel
- Resin Band
- Shock Resistant
- Neobrite
- Double LED light, LED light for the face (Full auto LED light, selectable illumination duration, afterglow), LED backlight fot 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°, Measuring unit: 1°, 60 seconds continuous measurement, Auto level correction function, Hand indication of north, Direction compensation (figure 8, 3-point), Magnetic declination correction, Level correction function for the compass
- Altimeter, Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.), Measuring unit: 1 m (5 ft.), Others: Relative altitude readings (±100 m /±1000 m), 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 (Past 20 hours or 5 hours of readings), Barometric pressure tendency information (arrow indicate significant pressure changes), Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) *Changeover between hPa and inHg
- Thermometer, Display range: –10 to 60°C (14 to 140°F), Display unit: 0.1°C (0.2°F), *Changeover between Celsius (°C) and Fahrenheit (°F)
- Depth meter, Display range: 0 to 50 m (0 to 164 ft), Display unit: 0.1 m (0.5 ft), Auto save data (dive start year, month and day, start time, dive time, maximum depth), *Changeover between meters (m) and feet (ft)
- Data recording of up to 40 records (Altimeter, depth meter, barometric pressure, temperature, bearing, time (Time Stamp))
- Moon data (moon age of the specific date)
- Tide graph (tide level for specific date and time)
- Sunrise, sunset time display, Sunrise time and sunset time for specific date
- World time, 31 time zones (48 cities + coordinated universal time), One-touch UTC Time Zone Access, 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, depth meter, 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, date, day
- Accuracy: ±15 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),
- 21 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
- Size of case : 48×57.3×17mm
- Total weight : 113g
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