PRW-6900Y-1DR

call//sms  01813607274  01611852016

Casio Pro Trek 

Specifications Summary

Basic Information

• Country of Origin: Thailand

• Case Size (L × W × H): 49.6 × 44.8 × 14.7 mm

• Weight: 65 g

• Case / Bezel Material: Resin / Stainless steel

• Band: Soft urethane (bio-based resin)

• Glass: Mineral Glass

• Crown: Screw lock crown

• Bezel Finish: Gray ion plating

• Compatible Wrist Size: 145–215 mm

• Luminous Material: Neobrite

• Water Resistance: 100 meters

• Low-Temperature Resistance: −10°C / 14°F

Time Adjustment

• System: Radio-controlled (Multi Band 6)

• Time Calibration Signals:

  • DCF77 (Germany, 77.5 kHz)

  • MSF (England, 60.0 kHz)

  • WWVB (USA, 60.0 kHz)

  • JJY (Japan, 40 / 60 kHz)

  • BPC (China, 68.5 kHz)

• Reception: Auto up to 6× per day (5× for China) / Manual receive

• Accuracy (without calibration): ±15 sec / month

Power System

• Power Source: Tough Solar (solar powered)

• Battery Indicator: Yes

• Power Saving Mode: Display off + hands stop in dark

• Operating Time:

  • 6 months (normal use without light)

  • 25 months (in total darkness, power save ON)

Triple Sensor (Version 3)

Digital Compass

• Displays direction (16 points, 0–359°, 1° increments)

• 60 seconds continuous measurement

• North hand indication

• Bidirectional calibration

• Magnetic declination correction

Altimeter

• Range: −700 m to 10,000 m (−2,300 ft to 32,800 ft)

• Unit: 1 m (5 ft)

• 30 manual memory records (altitude/date/time)

• Auto log (high/low altitude, cumulative ascent/descent)

• Relative altitude readings (±100 m / ±1000 m)

• Measurement intervals: 5 s / 2 min (1 s for first 3 min)

Barometer

• Range: 260 – 1,100 hPa (7.65 – 32.45 inHg)

• Unit: 1 hPa (0.05 inHg)

• Tendency graph and pressure differential hand indication

• Pressure tendency alarm (beep + arrow)

Thermometer

• Range: −10 °C to 60 °C (14 °F to 140 °F)

• Unit: 0.1 °C (0.2 °F)

Watch Functions

• World Time: 29 time zones (29 cities + UTC), DST on/off, one-touch UTC, city swap

• Stopwatch: 1/100 sec up to 23:59’59.99” (Elapsed, Split, 1st-2nd place)

• Countdown Timer: 1 s unit, 1–60 min range

• Alarms: 5 daily + hourly time signal

• Calendar: Full auto (to 2099)

• Mute Function: Button tone on/off

• 12/24-Hour Format: Yes

Illumination

• Double LED (Super Illuminator):

  • Face light (auto / 1.5s / 3s / afterglow)

  • Digital display backlight (auto / 1.5s / 3s / afterglow)

• Light Color: White

Other Features

• Auto hand home-position correction

• Hand shift (auto/manual during sensor use)

• Power-saving display blackout

• Regular timekeeping:

  • Analog: 3 hands (hour, minute [moves every 10 s], second)

  • Digital: hour, minute, second, am/pm, month, date, day

Summary

A compact, eco-friendly outdoor adventure watch combining:

• Triple Sensor (Compass / Altimeter / Barometer / Thermometer)

• Tough Solar + Multi Band 6 radio calibration

• −10 °C low-temperature durability

• Lightweight resin–steel hybrid build

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