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PRW-61 Series

PRW61-1A

My GShock

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The PRO TREK brand stands for experiencing, enjoying, and preserving the wonders of nature. The PRW61 uses eco-friendly biomass plastics in the case, band, and case back. For the first time in a PRO TREK or any Casio watch, the case and band are made from eco-friendly biomass plastics instead of conventional resins. The use of biomass plastics also delivers uncompromising resistance to hard use as well as comfort on the wrist. We are proud of this new material application for our line of premiere outdoor tools, PRO TREK. For optimal wear resistance and an airtight seal, the case back is made from high-strength engineered plastics made from biomass materials. The case back has a wider flat surface, as well, for better torsional resistance. Dial contrast has been enhanced by using vivid white for the large bar indexes and hour and the minute hands, delivering optimum visibility in the field. The stainless steel bezel is engraved with city codes for an outdoor gear look. As the original function of the watch, it also has functions such as multi-band 6 and tough solar. It is a model packed with high functionality and practicality that correspond to various scenes in just size.

PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A
Soft Urethane Band
PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A
PRW-61-1A

Specifications

Case size (L× W× H)
54.2 × 47.4 × 14.7 mm
Weight
53 g
Case and bezel material
Case / bezel material: Resin / Stainless steel
Band
Resin Band
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 (℉)

Glass
Mineral Glass
Crown
Screw Lock Crown
Other
Neobrite

World time
World time 29 time zones (29 cities + coordinated universal 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 minute to 60 minutes (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, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Light color
LED:White
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))
Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second) Digital: Hour, minute, second, am/pm, month, date, day
Time adjustment details
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
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

PRO TREK, now with eco-friendly biomass plastics

The PRO TREK brand stands for experiencing, enjoying, and preserving the wonders of nature. Now available in a new model that uses eco-friendly biomass plastics in the case, band, and case back.

Biomass plastics

Biomass plastics are polymers produced using chemical or biological synthesis of materials sourced from plant matter or other renewable organic substances. They are widely thought to help reduce environmental impact and promote the shift to a circular economy. PRO TREK employs biomass plastics that are made from materials extracted from castor seeds and corn.

PROMOTION MOVIE

First Casio watch
to use biomass plastics:
Delivering
uncompromising
durability and comfort

For the first time in a PRO TREK or any Casio watch, the case and band are made from eco-friendly biomass plastics instead of conventional resins. The use of biomass plastics also delivers uncompromising resistance to hard use as well as comfort on the wrist. We are proud of this new material application for our line of premiere outdoor tools, PRO TREK.

Case back made from
biomass engineered plastics

For optimal wear resistance and an airtight seal, the case back is made from high-strength engineered plastics made from biomass materials. The case back has a wider flat surface, as well, for better torsional resistance.

High-contrast dial

Dial contrast has been enhanced by using vivid white for the large bar indexes and hour and the minute hands, delivering optimum visibility in the field. The stainless steel bezel is engraved with city codes for an outdoor gear look.

Compact design never impedes movement

The smaller design never impedes wrist movement in the outdoors, while delivering uncompromising dial visibility and ease of use.

Triple sensor (digital compass, barometer/altimeter, and thermometer) senses natural changes

Multi Band 6 radio-controlled solar watch for accurate time keeping

Super Illuminator
(high-brightness full-auto double LED light)
for readability in the dark

SPECIFICATIONS

  • 10-bar water resistance
  • Low-temperature resistance (-10°C)
  • Tough Solar (Solar powered)
  • Radio-controlled (Multi Band 6)
  • Auto hand home position correction
  • Hand shift feature
  • World time (29 cities)
  • Digital compass
  • Barometer
  • Altimeter
  • Thermometer
  • 1/100-second stopwatch
  • Countdown timer
  • 5 daily alarms
  • Full-auto double LED light
    (Super illuminator)
  • Packaging made from eco-friendly materials

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