Casio Protrek PRG-550-1A4DR

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 : 56.8×49.3×14.4mm Total weight : 71g