1 - Casio Pro Trek PRG550 TAC Atomic Solar Watch Black

Out of stock

  • Cost Per Round 0.0000
  • Manufacturer Casio
  • Manufacturer SKU PRG5501A9CR

This is a Casio Pro Trek PRG550 TAC Atomic Solar Watch Black with Yellow Accents. From Casio Pro Trek, the watch that is trusted by outdoor adventurers everywhere, comes a new easy-to-read analog-digital combination model. Big, Neo Bright coated analog hands indicate time, direction, altitude differential, and barometric pressure changes. The simple design of the face makes measurement data easy to read, and a Tough Solar power system helps to ensure uninterrupted operation.

Tough Solar

Triple Sensor: Compass, Barometer/Thermometer, Altimeter

Low temperature resistant (–10ºC/14°F)

Mineral Glass


100-meter water resistance

Case / bezel material: Resin

Resin Band

LED light

Full auto LED light, afterglow

Solar powered

Low-temperature resistant (-10°C/14 °F)

Digital compass

Measures and displays direction as one of 16 points

Measuring range: 0° to 359°

Measuring unit: 1°

20 seconds continuous measurement

Hand indication of north

Bidirectional calibration and northerly calibration function

Magnetic declination correction


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

Measuring unit: 5 m (20 ft.)

Hand indication of altitude differential

Manual memory measurements (up to 14 records, each including altitude, date, time)

High Altitude / Low Altitude memory

Total Ascent / Descent memory

Others: Reference altitude setting, Altitude tendency graph

*Changeover between meters (m) and feet (ft)


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

*Changeover between hPa and inHg

Barometric pressure change indicator


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

Display unit: 0.1 °C (0.2 °F)

*Changeover between Celsius (°C) and Fahrenheit (°F)

World time

29 time zones (29 cities + coordinated universal time), daylight saving on/off

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 range: 60 minutes

Countdown start time setting range: 1 to 60 minutes (1-minute increments)

5 daily alarms

Hourly time signal

Battery level indicator

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

Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping:

Analog 3 hands: Hour, minute (moves every 10 seconds), second

Digital: month, day, day of the week

Accuracy: ±15 seconds per month

Approx. battery operating time:

6 months on rechargeable battery (operation period with normal use without exposure to light after charge)

23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Size of case: 56.8 X 49.3 X 14.4 mm

total weight: 71 g


*Photo ID required for purchase.

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