Casio GWN-1000B-1BDR G-Shock Premium Watch

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

• Case / bezel material: Resin / Stainless steel
• Resin Band
• Neobrite
• Shock Resistant
• Mineral Glass
• 200-meter water resistance
• Double LED light
• LED light for the face (Full auto LED light, selectable illumination duration, afterglow)
• LED backlight for 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
• Hand indication of north
• Bidirectional calibration
• Magnetic declination correction
• Altimeter
• Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.)
• Measuring unit: 1 m (5 ft.)
• Hand indication of altitude differential
• Manual memory measurements (up to 30 records, each including altitude, date, time)
• Auto log data (High/low altitudes, cumulative ascent and descent)
• Others: Relative altitude readings (±100m /±1000m), 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
• 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)
• Moon data (moon age of the specific date)
• Tide graph (tide level for specific date and time)
• World time
• 29 time zones (29 cities + coordinated universal time), 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, 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)
• 23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)