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Casio Pathfinder PAG-240-1 Review: Features, Limits, and Fit

The solar-powered Casio Pathfinder PAG-240-1 packs a compass, barometer, altimeter, and thermometer into a large resin case. Here’s what its features and limits mean for buyers.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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The Casio Pathfinder PAG-240-1 is a solar-powered digital outdoor watch with a compass, pressure-based altimeter, barometer, and thermometer. Its sensor set and glove-friendly controls are appealing on paper, but the 57.3 × 50.9 × 15.3 mm case is substantial. It is best considered by buyers who want built-in environmental readings and can accept a large watch—not by anyone expecting GPS or smartwatch connectivity.

What the PAG-240-1 offers

Casio’s official specifications describe a Tough Solar watch with a double-layer LCD, a rotating directional register ring, and a triple sensor for direction, pressure/altitude, and temperature. The direction, pressure/altitude, and temperature buttons are separate and sized for operation with gloves, according to Casio. The case and band are resin, with mineral glass and a directional bezel.

  • Power: Tough Solar charging.
  • Display and controls: double-layer LCD, directional ring, and separate sensor buttons.
  • Sensors: digital compass, barometer, altimeter, and thermometer.
  • Not listed: GPS and smartwatch connectivity do not appear in Casio’s reviewed feature list.

Casio’s official PAG-240-1 specifications are the source for the features and measurements below.

How the sensors work—and where to be cautious

Altimeter

The altimeter covers -700 to 10,000 m (-2,300 to 32,800 ft) in 5 m (20 ft) units. Casio lists up to 25 manual records containing altitude, date, and time, plus high/low altitude memory, total ascent and descent memory, a reference-altitude setting, an altitude tendency graph, and altitude differential.

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#1 Best Overall
Sale
Casio PRG340 Series | Pro Trek | Black | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
  • Casio's Tough Solar Technology charges your watch by converting light to energy
  • Part of Casio's green initiative - Featuring Eco-Friendly Biomass Construction and environmentally friendly / recyclable packaging, paperwork & user's manual
  • Triple Sensor (Version 3) includes a Digital Compass, Barometer, Thermometer & Altimeter
  • 100M Water Resistance | Rotating Bezel | Super Illuminator w/ Full Auto LED/LCD Screen
  • Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)

This is a pressure-based altitude estimate, not a GPS measurement. Because atmospheric pressure changes with weather as well as elevation, readings can drift; setting a known reference altitude is important when you need meaningful field readings. Casio’s indexed Operation Guide 3246 describes altitude as derived from air pressure. The indexed guide information also says sensor functions may be disabled if battery voltage is insufficient.

Barometer and compass

The barometer displays 260–1,100 hPa (7.65–32.45 inHg) in 1 hPa (0.05 inHg) units, with pressure-tendency and differential graphics. The digital compass indicates one of 16 directions across 0–359° in 1° units. Casio lists 20 seconds of continuous measurement, calibration functions, magnetic-declination correction, and bearing memory.

Rank #2
Sale
Casio PRG600 Series | Pro Trek | Black | 100M WR | 1/100 SEC Stop Watch | Compass/Alt/Baro-Thermo | Tough Solar Power/Atomic Timekeeping | 1-100 SEC Stopwatch | Countdown Timer | World Time
  • Case / Bezel Material: Resin / Stainless Steel
  • Silicon Band / Mineral Glass / NeoBrite
  • Screw Lock Crown / 100 M Water Resistance
  • Case Diameter: 51.5mm
  • Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving

Thermometer

The thermometer’s stated display range is -10 to 60°C (14 to 140°F), in 0.1°C (0.2°F) units. The product specifications establish the range and resolution, but not the conditions under which a reading should be interpreted as ambient air temperature.

Timekeeping, display, and solar runtime

Beyond the sensors, Casio lists world time across 31 time zones and 48 cities; sunrise and sunset for a selected date; a 1/100-second stopwatch; a countdown timer of up to 24 hours; five daily alarms; an hourly signal; and a full auto calendar through 2099. The EL backlight has automatic activation, selectable duration, and afterglow. A battery-level indicator and power-saving function are also included. Casio states timekeeping accuracy of ±15 seconds per month.

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Rank #3
Sale
Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch
  • Tough Solar Power, 100M Water Resistant, Low Temperature Resistant (-10 C / 14 F), Altimeter, Digital Compass, Barometer, Thermometer. Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F)
  • Full Auto LED (Super Illuminator) Backlight with Afterglow, World Time, 31 time zones (48 cities + UTC), city name display, daylight saving on/off, Sunrise/Sunset Data, 5 Daily Alarms (4 one-time and 1 snooze alarm)
  • Hourly Time Signal, 1/10 Second Stopwatch, Countdown Timer, 12/24 Hour Formats, Button operation tone on/off
  • Storage Battery: Solar Rechargeable Battery, Battery Level Indicator
  • Power Saving Function, Approx. Battery Life: 9 months on full charge (without further exposure to light), Module 3415

Casio estimates approximately six months of operation after a full charge under normal use without further light, or approximately 23 months after a full charge when stored in total darkness with power saving on. These are manufacturer estimates; the product page does not state a publication year for them, and they depend on the stated use and storage conditions.

Size, water resistance, and cold rating

Casio lists dimensions of 57.3 × 50.9 × 15.3 mm and a weight of 66 g. Those dimensions make it a large, fairly thick digital watch by ordinary standards, so wrist fit and clearance under sleeves deserve consideration before buying. The case and band are resin.

Rank #4
Sale
Casio PRG340 Series | Pro Trek | Green | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
  • Casio's Tough Solar Technology charges your watch by converting light to energy
  • Part of Casio's green initiative - Featuring Eco-Friendly Biomass Construction and environmentally friendly / recyclable packaging, paperwork & user's manual
  • Triple Sensor (Version 3) includes a Digital Compass, Barometer, Thermometer & Altimeter
  • 100M Water Resistance | Rotating Bezel | Super Illuminator w/ Full Auto LED/LCD Screen
  • Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)

The manufacturer rates it for 100 m water resistance and low-temperature resistance to -10°C (14°F). These are Casio specifications, not results from an independent test or a guarantee of suitability for every water activity.

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Is the PAG-240-1 worth buying?

It makes the strongest case for itself if you want a self-contained outdoor digital watch with solar charging, dedicated sensor controls, and compass, pressure, altitude, and temperature functions without needing a connected phone. Its main trade-offs are the large case and the limits of pressure-derived altitude readings. The listed functions are instruments and timekeeping tools; the official feature list does not establish navigation by GPS or connected smart features.

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Best Value
Casio Men's Pro Trek PRW-3500T-7CR Tough Solar Triple Sensor Digital Sport Watch
  • Solar-powered sport watch with stainless steel rotating bezel featuring digital dial with day/date display and backlight , Thermometer Display range - -10 to 60 C , Display unit - 0.1 C
  • Features triple sensor, atomic timekeeping, low-temperature resistance, digital compass with bearing memory, altimeter, barometer, thermometer, sunrise and sunset data, world time, four daily alarms with snooze, 1/10-second stopwatch, countdown timer, 12/24-hour formats, and power-saving function and 56 mm resin case with mineral dial window
  • Titanium band with fold-over-push-button-clasp-with-safety closure
  • Water resistant to 200 m (660 ft)
  • Altimeter Measuring range: -700 to 10,000 m
  • Consider it if: you value an onboard compass and pressure-based environmental readings, solar power, and controls designed for gloved operation.
  • Think twice if: you need a compact watch, GPS positioning, or smartwatch connectivity.
  • For altitude use: be prepared to set a reference altitude and interpret readings in light of changing pressure.

Price and availability

Casio Mexico’s official page displayed MX$6,999 when accessed. That is a regional price, not a global or current US price. Right Time’s PAG240-1 listing identified the model and its specifications but reported that the retailer’s item was out of stock when checked. That status does not establish that the watch is discontinued or unavailable elsewhere. Current listings, condition, seller, warranty, and pricing should be verified directly before purchase.

Quick Recap

SaleBestseller No. 1
Casio PRG340 Series | Pro Trek | Black | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
Casio PRG340 Series | Pro Trek | Black | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
Casio's Tough Solar Technology charges your watch by converting light to energy; Triple Sensor (Version 3) includes a Digital Compass, Barometer, Thermometer & Altimeter
$209.99
SaleBestseller No. 2
Casio PRG600 Series | Pro Trek | Black | 100M WR | 1/100 SEC Stop Watch | Compass/Alt/Baro-Thermo | Tough Solar Power/Atomic Timekeeping | 1-100 SEC Stopwatch | Countdown Timer | World Time
Casio PRG600 Series | Pro Trek | Black | 100M WR | 1/100 SEC Stop Watch | Compass/Alt/Baro-Thermo | Tough Solar Power/Atomic Timekeeping | 1-100 SEC Stopwatch | Countdown Timer | World Time
Case / Bezel Material: Resin / Stainless Steel; Silicon Band / Mineral Glass / NeoBrite; Screw Lock Crown / 100 M Water Resistance
$310.49
SaleBestseller No. 3
Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch
Casio Men's Pro Trek PRG-270-1 Tough Solar Triple Sensor Multifunction Digital Sport Watch
Storage Battery: Solar Rechargeable Battery, Battery Level Indicator; Tough solar power; low temperature resistant (-10c/14f); digital compass w/bearing memory
$160.00
SaleBestseller No. 4
Casio PRG340 Series | Pro Trek | Green | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
Casio PRG340 Series | Pro Trek | Green | 100 Meter Water Resistance | Compass | Alt/Baro-Thermo | Tough Solar Power | 1-100 SEC Stopwatch | Countdown Timer | World Time
Casio's Tough Solar Technology charges your watch by converting light to energy; Triple Sensor (Version 3) includes a Digital Compass, Barometer, Thermometer & Altimeter
$210.80
Bestseller No. 5
Casio Men's Pro Trek PRW-3500T-7CR Tough Solar Triple Sensor Digital Sport Watch
Casio Men's Pro Trek PRW-3500T-7CR Tough Solar Triple Sensor Digital Sport Watch
Titanium band with fold-over-push-button-clasp-with-safety closure; Water resistant to 200 m (660 ft)
$550.00

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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