Casio Protrex PRG-510T-7NDR

Specification:

• Mineral Glass
• Neobrite
• 100-meter water resistance
• Case / bezel material: Resin / Stainless steel
• Double-lock, 1-press, 3-fold Clasp
• Titanium Band
• Solid Band
• LED light
  Full auto LED light, afterglow
• Solar powered
• Low-temperature resistant (-10°C/14 °F)
• Digital compass
  Measures and displays direction as one of 16 points
  Measuring range: 0° to 359°
  Measuring unit: 1°
  20 seconds continuous measurement
  Hand indication of north
  Bidirectional calibration and northerly calibration function
  Magnetic declination correction
• Altimeter
  Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)
  Measuring unit: 5 m (20 ft.)
  Hand indication of altitude differential
  Manual memory measurements (up to 14 records, each including altitude, date, time)
  High Altitude / Low Altitude memory
  Total Ascent / Descent memory
  Others: Reference altitude setting, Altitude tendency graph
  *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
  *Changeover between hPa and inHg
• Barometric pressure change indicator
• 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
  29 time zones (29 cities + coordinated universal time), daylight saving on/off
• 1/100-second stopwatch
  Measuring capacity: 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-minute increments)
• 5 daily alarms
• Hourly time signal
• 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 (moves every 10 seconds), second
  Digital: month, day, day of the week
• Accuracy: ±15 seconds per month
• 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)
• Size of case: 56.8 × 49.3 × 14.2 mm
• Total weight: 112 g
• LED:White