NANGA collaboration model

PRW-6600 Series

PRW6630NA-1A3

Back engraving

Band ring

Package

Include an original NANGA pocketable bag.

Include an original NANGA reusable bag.

LED light

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The new limited edition PRW6630NA-1A3 comes from a partnership between NANGA, a Japanese brand that is known for quality and safety, and PRO TREK, outdoor watch brand for those who love nature. Adorned with NANGA’s logo on the dial and case back, the watch features environmentally friendly Bio-mass plastic used on the case, band and case back. Functions include triple sensor (Altimeter/Barometer, compass, and thermometer) and Radio controlled (Multi-Band 6) and Tough Solar charging. *Includes a highly portable eco-bag from NANGA

Back engraving

Band ring

Package

Include an original NANGA pocketable bag.

Include an original NANGA reusable bag.

LED light

Keeps yourself in time
Stable solar power
10 bar water resistant
Lets you know your direction
Lets you know the barometric pressure and altitude
Lets you know the temperature

Specifications

Case size (L× W× H)

51.6 × 51.5 × 14.6 mm
Weight

59 g
Case and bezel material

Biomass plastics / Stainless steel
Band

Soft urethane band (biomass plastics)
Water resistance

100-meter water resistance
Environmental resistance

Low-temperature resistant (-10℃/14℉)
Power supply and battery life

Tough Solar (Solar powered)
Sensor feature

Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Hand indication of north Bidirectional calibration Magnetic declination correction

Altimeter Measuring range: -700 to 10,000 m ( -2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Hand indication of altitude differential Manual memory measurements (up to 30 records, each including altitude, date, time) Auto log data (High/low altitudes, cumulative ascent and descent) Others: Relative altitude readings (±100m /±1000m), Selectable measurement interval: 5 seconds or 2 minutes *1 second for first 3 minutes only *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 Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure) *Changeover between hPa and inHg

Thermometer Display range: -10 to 60℃ (14 to 140℉) Display unit: 0.1℃ (0.2℉) *Changeover between Celsius (℃) and Fahrenheit (℉)

World time

World time 29 time zones (29 cities + universal coordinated time), One-touch UTC Time Zone Access, daylight saving on/off, Home city/World time city swapping
Stopwatch

1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer

Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments, 1-minute increments)
Alarm/hourly time signal

5 daily alarms

Hourly time signal
Light

Double LED light LED light for the face (Full auto LED light, selectable illumination duration, afterglow) LED backlight for the digital display (Full auto LED light, selectable illumination duration, afterglow)
Light color

LED:White
Calendar

Full auto-calendar (to year 2099)
Mute feature

Button operation tone on/off
Hand home position correction feature

The auto hand home position correction
Energy saving feature

Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)
Battery display/alert

Battery level indicator
Run time

Approx. battery operating time: 6 months on rechargeable battery (operation period with normal use without exposure to light after charge) 25 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy

Accuracy: ±15 seconds per month (with no signal calibration)
Other features

Hand shift feature (manual or auto (during altitude, barometric pressure, and temperature measurement))

12/24-hour format

Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, am/pm, date, day
Time adjustment details

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

*The color tone of the listed products may differ from the actual product in some cases.

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PRW6630NA-1A3 | PRO TREK PRW-6600 Series Black | CASIO

PRW6630NA-1A3

Specifications

Case size (L× W× H)

Weight

Case and bezel material

Band

Water resistance

Environmental resistance

Power supply and battery life

Sensor feature

Glass

Crown

Surface treatment

Other

World time

Stopwatch

Timer

Alarm/hourly time signal

Light

Light color

Calendar

Mute feature

Hand home position correction feature

Energy saving feature

Battery display/alert

Run time

Accuracy

Other features

Time adjustment details

Model Comparison

Support

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PRW6630NA-1A3 | PRO TREK PRW-6600 Series Black | CASIO

PRW6630NA-1A3

Specifications

Basic Information

Exterior

Watch Features

Model Comparison

Support

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