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Casio Mens Pro Trek Black Resin Watch - Black Bracelet - Black Dial - PRW5100-1 main product image


    Casio Mens Pro Trek Black Resin Watch

    Model# PRW5100-1


    This item has been discontinued by the manufacturer.

    This Casio black resin watch (Casio Model # PRW5100-1) features a black bracelet and a black dial with quartz movement.

    In 1983, Casio launched the shock-resistant G-SHOCK watch. This product shattered the notion that a watch is a fragile piece of jewelry that needs to be handled with care, and was the result of Casio engineers taking on the challenge of creating the world's toughest watch. Using a triple-protection design for the parts, module, and case, the G-SHOCK offered a radical new type of watch that was unaffected by strong impacts or shaking. Its practicality was immediately recognized, and its unique look, which embodied its functionality, became wildly popular, resulting in explosive sales in the early 1990s. The G-SHOCK soon adopted various new sensors, solar-powered radio-controlled technology (described below), and new materials for even better durability. By always employing the latest technology, and continuing to transcend conventional thinking about the watch, the G-SHOCK brand has become Casio's flagship timepiece product.

    Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, and the radio-controlled function means users never have to reset the time. In particular, the radio-controlled function represents a revolution in time-keeping technology similar to the impact created when mechanical watches gave way to quartz technology. Through the further development of high radio-wave sensitivity, miniaturization, and improved energy efficiency, Casio continues to produce a whole range of radio-controlled models.

    Case: Black resin
    Band: Black bracelet
    Crystal: Mineral
    Movement: Quartz
    Display: Ana-Digi
    One-year Casio warranty

    Free US shipping; expedited shipping available! is an authorized Casio watches retailer

    Casio Model PRW5100YT-1

    Glossary of Watch Terms

    View our Glossary of Watch Terms

      Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China)

      Receives time calibration radio signals which keep the displayed time accurate

      Auto receive function (up to 6 times per day/up to 5 times per day for China)

      Manual receive function

      Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC

      Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz

      Tough Solar Power

      Tough Movement

      Auto hand home position correction

      Digital Compass

      Measures and displays direction as one of 16 points

      Measuring range: 0 to 359 degrees

      Measuring unit: 1 degree

      20 seconds continuous measurement

      Hand Indication of North

      Bidirectional calibration and Northerly calibration function

      Magnetic declination correction


      Measuring range: -700 to 10,000m (-2,300 to 32,800ft)

      Measuring unit: 5m (20ft)

      Hand Indication of Altitude Differential

      Altimeter Memory (manual measurements)

      Memory capacity: 14 records

      Measurement data: altitude, date, time

      High / Low altitude memory

      Cumulative ascent / descent memory

      Reference altitude setting

      Altitude tendency graph


      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


      Display range: -10 to 60 C (14 to 140 F)

      Display unit: 0.1 C (0.2 F)

      100M Water Resistant

      Low Temperature Resistant (-10 C / 14 F)

      Full Auto LED Light with Afterglow

      Neo-brite Luminous Hands and Markers

      World Time

      29 times zones (29 cities + UTC), city code display, daylight saving on/off

      5 Daily Alarms

      Hourly Time Signal

      1/100 second stopwatch

      Measuring capacity: 59'59.99"

      Measuring modes: Elapsed time, split time, 1st-2nd place times

      Countdown Timer

      Measuring unit: 1 second

      Countdown start time setting range: 1 minute to 60 minutes

      (1-minute increments)

      Full Auto Calendar (pre-programmed until the year 2099)

      12/24 Hour Formats

      Button operation tone on/off

      Accuracy: +/- 15 seconds per month (with no signal calibration)

      Battery Power Indicator

      Power Saving Function

      Storage Battery: Solar Rechargeable Battery

      Approx. battery life: 5 months on full charge (without further exposure to light)

      Module 5214

      Size of case/total weight: 56.8 x 49.3 x 14.2mm / 80g

    Casio watches are well known for the wide variety and innovation of its wristwatches. It was one of the earliest manufacturers of quartz crystal watches, both digital and analog. Casio was one of the first manufacturers of watches that could display the time in many different time zones and of watches with temperature, atmospheric-pressure, altitude, and even GPS position displays.

    With this watch, you will receive: Available to ship to:
    • United States
    • Canada
    • Australia
    • Worldwide