Spesifikasi PRG-250B :
- Mineral Glass
- Direction Bezel
- 200-meter water resistance
- Case / bezel material: Resin / Aluminum
- Leather/Cloth Bands
- Electro-luminescent backlight
- Full auto EL light, selectable illumination duration, 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
- Graphic direction pointer
- Bidirectional calibration and northerly calibration function
- Magnetic declination correction
- Bearing memory
- Altimeter
- Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)
- Measuring unit: 5 m (20 ft.)
- 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 differential
- *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 tendency graph
- Atmospheric pressure differential graphic
- *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)
- Moon data (moon age of the specific date, moon phase graph)
- Tide graph (tide level for specific date and time)
- Duplex LC display
- World time
- 31 time zones (48 cities + coordinated universal time), 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 start time setting range: 1 to 60 minutes (1-minute increments)
- Reset time: 5 minutes
- Others: Time up alarm, progress beeper
- Daily alarms
- 5 independent daily alarms
- 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, year, month, date, day
- 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/total weight: 56.3 X 50.6 X 15 mm/71 g
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