Casio Pro Trek PRW3500T-7 vs Timex Marlin Automatic 40mm
Casio's diver meets Timex's timepiece
Quick Verdict
The Casio Pro Trek PRW3500T-7 ($250–$500) and Timex Marlin Automatic 40mm ($250–$500) are closely matched timepieces at similar price points. The Pro Trek PRW3500T-7 emphasizes Tough Solar Quartz, Multi-Band 6 engineering while the Marlin Automatic 40mm focuses on Made in Japan (Movement) craftsmanship.
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Specifications Compared
| Feature | Casio Pro Trek PRW3500T-7 | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 56.9 × 53.4 × 14.8mm | 40mm |
| Movement | Tough Solar (Solar Quartz), Radio-Controlled | Automatic Miyota 8205 |
| Caliber Type | Tough Solar Quartz, Multi-Band 6 | Miyota Automatic |
| Power Reserve | Tough Solar (Rechargeable) | 40 Hours |
| Water Resistance | 200m (20 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Mineral Crystal |
| Case Material | Resin / Stainless Steel, Titanium Bracelet | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Timex's approach
The Casio Pro Trek PRW3500T-7 features a Resin / Stainless Steel, Titanium Bracelet case at 56.9 × 53.4 × 14.8mm with Mineral Glass protection. The Timex Marlin Automatic 40mm offers Stainless Steel construction at 40mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz), Radio-Controlled vs Automatic Miyota 8205
The Pro Trek PRW3500T-7 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, Tough Solar (Rechargeable) power reserve) at standard frequency. The Marlin Automatic 40mm uses the Automatic Miyota 8205 (Miyota Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Marlin Automatic 40mm offers a longer power reserve.
Wearability & Fit
56.9 × 53.4 × 14.8mm vs 40mm — different wrist presence
At 56.9 × 53.4 × 14.8mm, the Pro Trek PRW3500T-7 has a bolder wrist presence compared to the Marlin Automatic 40mm at 40mm. Water resistance differs: 200m (20 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Casio Pro Trek PRW3500T-7 sits at $250–$500 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Pro Trek PRW3500T-7 uses Mineral Glass with Tough Solar (Rechargeable), against Mineral Crystal and 40 Hours on the Marlin Automatic 40mm. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 30m (3 ATM)
The Pro Trek PRW3500T-7 is rated to 200m (20 ATM) while the Marlin Automatic 40mm handles 30m (3 ATM). The Pro Trek PRW3500T-7 is better suited for water activities.
Our Verdict
Casio
Pro Trek PRW3500T-7
Choose the Casio Pro Trek PRW3500T-7 if you prioritize Tough Solar Quartz, Multi-Band 6 engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve.
Check Price on AmazonTimex
Marlin Automatic 40mm
Choose the Timex Marlin Automatic 40mm if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 40mm proportions. At $250–$500, the Automatic Miyota 8205 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRW3500T-7 and Timex Marlin Automatic 40mm represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Timex delivers Made in Japan (Movement) engineering.
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.