Casio G-Shock GDF-100-1BDR

SPECIFICATIONS:

• Case / bezel material: Resin
• Resin Band
• 200-meter water resistance
• Mineral Glass
• Shock Resistant
• LED Backlight (Super Illuminator)
  Selectable illumination duration, afterglow
• Altimeter
  Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.) without reference altitude
  Measuring unit: 5 m (20 ft.)
  Other: Reference altitude setting
  *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)
  Atmospheric pressure differential pointer
  *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)
• World time
  31 time zones (48 cities), city code display, daylight saving on/off
• 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: 24 hours
  Countdown start time setting range: 1 minute to 24 hours (1-hour increments and 1-minute increments)
• Daily alarms
  5 independent daily alarms
• Hourly time signal
• 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
• Approx. battery life: 5 years on CR2025
• Size of case/total weight: 55 X 51.5 X 17.2 mm/69.2 g
• LED:White