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Casio Gulfmaster Black


Casio G-Shock Gulfmaster GWN-1000B-1AER

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Casio Watch reference GWN-1000B-1AER, model from G-Shock Gulfmaster collection.


Ref: GWN-1000B-1AER

Casio Watch.
G-Shock Gulfmaster collection.
Digital movement.
Display functions:
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 measurements
Low Temperature Resistant (-10 C / 14 F)
Triple Sensor

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
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)
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)
Mineral crystal.
Rygid resin case.
Polyurethane bracelet.
W.R. 20 bar = 200 m.
Dimensions of the watch:
Maximum wide approximate: 56 mm.
Maximum length approximate: 56 mm.
Maximum height: 16 mm.
2 year warranty.

Casio Watch GWN-1000B-1AER

Casio Watches

Casio Gulfmaster Watches - Casio Gulfmaster Watch GWN-1000B-1AER

Additional Information

Reference GWN-1000B-1AER
Model / Item Watch
Sex Man
Manufacturer Casio
Reference GWN-1000B-1AER
Manual No
Machinery Solar
Display Analog and Digital
Crystal Mineral
Case Material Resin
Bracelet Material Resin
Colour Sphere ( Primary ) Black
Colour Sphere ( Secondary ) Black
Bracelet Colour Black
W.R. Water Resistant 20 Bar = 200 m
Warranty Yes
Box Yes