Announcing the addition of the PRW-3100, with an easy-to-view STN LCD to the lineup of PRO TREK Triple Sensor Version 3 models.
This model features stainless steel bezels, without sacrificing the thin configuration of the PRW- 3100. Large buttons with non-slip surfaces provided direct, one-press access to direction, barometric pressure and temperature, and altitude readings, even while wearing gloves.
This model features stainless steel bezels, without sacrificing the thin configuration of the PRW- 3100. Large buttons with non-slip surfaces provided direct, one-press access to direction, barometric pressure and temperature, and altitude readings, even while wearing gloves.
- Mineral Glass
- Black ion plated bezel
- 100-meter water resistance
- Case / bezel material: Resin / Stainless steel
- Resin Band
- LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration, afterglow
- Solar powered
- Low-temperature resistant (–10°C/14°F)
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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
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Digital compass Measures and displays direction as one of 16 points
Measuring range: 0 to 359°, Measuring unit: 1°
60 seconds continuous measurement, Graphic direction pointer
Bidirectional calibration, Magnetic declination correction, Bearing memory -
Altimeter Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.), Measuring unit: 1 m (5 ft.)
Manual memory measurements (up to 30 records, each including altitude, date, time)
Auto log data (High/low altitudes, auto cumulative ascent and descent)
Trek log data (up to 14 records of high/low altitudes, auto cumulative ascent and descent of particular treks)
Others: Relative altitude readings (–3,000 to 3,000 m), Selectable measurement interval: 5 seconds or 2 minutes - *1 second for first 3 minutes only
- *Changeover between meters (m) and feet (ft)
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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 (past 42 hours of readings)
Atmospheric pressure differential graphic -
Barometric pressure tendency information alarm (beep and arrow indicate significant changes in pressure)
*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 + coordinated universal time), daylight saving on/off
- Sunrise, sunset time display, Sunrise time and sunset time for specific date, daylight pointers
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1/10-second stopwatch, Measuring capacity: 999:59'59.9''
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, year, month, date, day
- Accuracy: ±15 seconds per month (with no signal calibration)
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Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
22 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) - Size of case:56×47.1×12mm
- Total weight: 68 g
- LED:White
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