Updated
Casio Pro Trek PRG601 vs PRW3500T
Two Triple Sensor solar Pro Treks
Quick Verdict
The Casio Pro Trek PRG601 and PRW3500T both sit in the $250–$500 band, both run on Tough Solar and both carry the Triple Sensor (compass, altimeter/barometer, thermometer). The PRW3500T adds Multi-Band 6 radio timekeeping, a titanium bracelet and a 200m rating against the PRG601's 100m. The PRG601 is analogue-digital with a compass hand; the PRW3500T is digital.
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Specifications Compared
| Feature | Casio Pro Trek PRG601-1 | Casio Pro Trek PRW3500T-7 |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 51.6mm | 56.9 × 53.4 × 14.8mm |
| Movement | Tough Solar (Solar Quartz) | Tough Solar (Solar Quartz), Radio-Controlled |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Tough Solar Quartz, Multi-Band 6 |
| Power Reserve | 7 Months (Solar, Full Charge); 25 Months Power Save | Tough Solar (Rechargeable) |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Bio-Based Resin / Stainless Steel | Resin / Stainless Steel, Titanium Bracelet |
| Origin | Casio (Japan) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Analogue-digital against all-digital
The PRG601 has hands over a digital display, and a hand points north when you use the compass. The PRW3500T is a digital outdoor watch on a titanium bracelet.
Features & Movement
Radio timekeeping on the PRW3500T
Both run Tough Solar and both have the Triple Sensor: compass, altimeter/barometer and thermometer. The PRW3500T adds Multi-Band 6, which sets the time from radio signals. The PRG601 adds world time, a stopwatch and a countdown timer, and Casio rates it at 7 months on a full charge.
Durability & Water Resistance
200m against 100m
The PRW3500T is rated to 200m (20 ATM) and the PRG601 to 100m (10 ATM). Both use mineral glass.
Wearability & Fit
Both large; the PRG601 is narrower
The PRG601 is 51.6mm. The PRW3500T measures 56.9 by 53.4 by 14.8mm. Both are big outdoor watches; the PRW3500T is the larger.
Value & Cost of Ownership
Same band
Both sit in the $250–$500 band and both are solar, so there are no routine battery changes. The PRW3500T gives more for similar money if you want radio sync and 200m.
Our Verdict
Casio
Pro Trek PRG601-1
Choose the PRG601 if you want an analogue-digital face where a hand swings round to point north. It is rated to 100m and runs on solar.
Check Price on AmazonCasio
Pro Trek PRW3500T-7
Choose the PRW3500T if you want the watch to set itself by radio and handle more water. It is a large digital watch on a titanium bracelet, rated to 200m.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG601 and PRW3500T are both Tough Solar Triple Sensor watches in the $250 to $500 band, but the PRW3500T adds Multi-Band 6 radio timekeeping, a titanium bracelet and 200m water resistance against the PRG601's 100m.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.