Casio G-Shock GWF-D1000NV-2 Frogman Series Digital Watch – Navy Blue


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Overview and Specifications:

»Case / bezel material: Stainless steel / Resin
»Carbon fiber insert Resin Band
»Screw Lock Back
»Sapphire Glass with non-reflective coating
»Shock Resistant
»Diamond Like Coating
»ISO 200 meters Water Resistance
»LED backlight (Super illuminator)
  Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), 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
»Digital compass
  Measuring range: 0 to 359°
  Measuring unit: 1°
  20 seconds continuous measurement
  Graphic direction pointer
  Auto level correction function
  Direction compensation (figure 8, 3-point)
  Magnetic declination correction
  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)
»Time stamp recording of up to 20 records (hour, minute, second, year, month, date, day (diving mode: depth and water temperature / compass mode: bearing angle / thermometer mode: temperature))
»Diving mode
  Measuring range: 0.0 to 80.0m (0.0 to 262.5ft)
  Measuring unit: 0.1m (0.5ft)
  Dive time: 1 second increments, up to 5:59’59
  Surface time measurement
  Ascent rate alarm
»Log data
  Automatic data recording of up to 20 records (dive start year, month and day, start time, dive time, maximum depth and lowest water temperature)
»World time
  31 time zones (48 cities + coordinated universal time), daylight saving on/off
»Moon data (moon age of the specific date, moon phase)
»Tide graph (tide level for specific date and time)
»1/100-second stopwatch
  Measuring capacity: 99:59'59.99''
  Measuring modes: Elapsed time, split time, 1st-2nd place times
»Countdown timer
  Measuring unit: 1 second
  Countdown range: 24 hours
  Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
»5 daily alarms (with 1 snooze alarm)
»Hourly time signal
»Battery level indicator
»Power Saving (display goes blank 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: Hour, minute, second, pm, month, date, day
»Accuracy: ±15 seconds per month (with no signal calibration)
»Approx. battery operating time:
  7 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)