Recently Released: Casio PRO TREK NANGA

Sometimes, partnerships between brands don’t make a lot of sense. Other times, it seems like they were just about made for each other. It’s that latter one that we find ourselves dealing with here, with the Casio PRO TREK NANGA.

For the Pro Trek line, we already know that their watches are meant to be used outdoors. With solar charging, and their triple sensor (altimeter & barometer, compass, and thermometer) means that it’s supposed to be keeping track of the environment around you. So, what about Nanga? Well, they’re a Japanese outdoors brand, so yeah, we’d say their gear goes solidly with this watch.

In terms of changes to the Casio PRO TREK NANGA (as opposed to any other Pro Trek watch), it’s going to fall primarily in the color scheme, as well as the Nanga logo that shows up on the dial. Past that, it’s just a solid Pro Trek offering. Along with all of the sensors built in, it can pick up radio signals all around the world to ensure that it’s giving you the accurate time. I’ve got a 15-year old G-Shock with solar and atomic radio syncing, and it’s still the most accurate watch in my small collection.

Want to pick up one of these Casio PRO TREK NANGA watches, which also comes with a Nanga portable bag? You can grab this eco-friendly watch for $490 directly from

Tech Specs from Casio

  • Case size (L× W× H): 51.6 × 51.5 × 14.6 mm
  • Weight: 59 g
  • Case and bezel material: Case / 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
  • 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)
  • Stopwatch
    • 1/100-second stopwatch
    • Measuring capacity: 23:59’59.99”
    • Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Alarm
    • 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)
  • Calendar: Full auto-calendar (to year 2099)
  • 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: ±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

Patrick Kansa

A big data developer and leader with a penchant for gadgets, books, watches and beverages. You can find my work on WristWatchReview, Knapsack.News, and Slushpile. If you're on Twitter and/or Instagram, you'll find me there as @PatrickWatches.

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