Casio Pathfinder ProTrek PRG40


Casio Pathfinder ProTrek PRG40
Page Type Gear Review
Object Title Casio Pathfinder ProTrek PRG40
Manufacturer Casio
Page By Wasatch Summits
Page Type Nov 20, 2011 / Nov 20, 2011
Object ID 7952
Hits 10568

Product Description

This is a multi-function watch that can be used for basic navigation.


Electro-luminescent backlight
Auto light switch, afterglow

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°
Abnormal magnetic field detect function
Bidirectional calibration and northerly calibration function

• Altimeter
Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft)
Measuring unit: 5 m (20 ft)
Auto memory measurements
(up to 50 sets of data, each set including altitude, month, date, time)
Reference altitude setting
Altitude alarm
*Changeover between meters(m) and feet(ft)

• Barometer
Display range: 260 to 1,100 hPa/mb (7.65 to 32.45 inHg )
Display unit: 1 hPa/mb (0.05 inHg)
Atmospheric pressure tendency graph
*Changeover between hPa and inHg

• Thermometer
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)

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

• Daily alarms
5 independent daily alarms

• Hourly time signal

• Auto-calendar (to year 2039)

• 12/24-hour formats • Regular timekeeping: Hour, minutes, seconds, pm, month, date, day

• Accuracy: ±15 seconds per month

• Approx. battery life: 18 months on SR927Wx4

• Size of case
57.0 X 53.8 X 17.9 mm



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Wasatch Summits - Nov 20, 2011 11:51 pm - Voted 5/5

Tough Watch.
I bought this watch back in 2004 or 2005, can't remember exactly. I've gone through about three sets of batteries on it, and a watch band. The watch itself is tough as nails, it has stood up to daily abuse of work and play since the purchase. The case is very tough, the lens resists a lot of abrasion. It is extremely convenient while out on some unfamiliar route somewhere and compliments a topographic map nicely. I have noticed though, just like most all other barometric devices, that it needs calibration from time to time. Overall an excellent watch, though dated a bit now by the newer solar models available.

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