Casio Pro Trek PRW-B1000-1 vs Timex Marlin Automatic 40mm
Two timepieces compared — $500–$1,000 vs $250–$500
Quick Verdict
The Timex Marlin Automatic 40mm ($250–$500) delivers Miyota Automatic technology in the tier below the Casio Pro Trek PRW-B1000-1 ($500–$1,000). The Marlin Automatic 40mm measures 40mm and is rated 30m (3 ATM). The Pro Trek PRW-B1000-1 justifies its premium with Casio (Japan) heritage and Tough Solar (Solar Quartz), Radio-Controlled. Both represent excellent choices in the timepiece category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio Pro Trek PRW-B1000-1 | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 50.8 × 45.8 × 14.9mm | 40mm |
| Movement | Tough Solar (Solar Quartz), Radio-Controlled | Automatic Miyota 8205 |
| Caliber Type | Tough Solar Quartz, Multi-Band 6 + Bluetooth | Miyota Automatic |
| Power Reserve | Tough Solar (Rechargeable) | 40 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Mineral Crystal |
| Case Material | Bio-Based Resin / Stainless Steel | 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 PRW-B1000-1 features a Bio-Based Resin / Stainless Steel case at 50.8 × 45.8 × 14.9mm with Sapphire with Anti-Reflective Coating 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 PRW-B1000-1 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6 + Bluetooth, 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
50.8 × 45.8 × 14.9mm vs 40mm — different wrist presence
At 50.8 × 45.8 × 14.9mm, the Pro Trek PRW-B1000-1 has a bolder wrist presence compared to the Marlin Automatic 40mm at 40mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Timex sits in the lower tier
The Casio Pro Trek PRW-B1000-1 sits at $500–$1,000 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Pro Trek PRW-B1000-1 uses Sapphire with Anti-Reflective Coating 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
100m (10 ATM) vs 30m (3 ATM)
The Pro Trek PRW-B1000-1 is rated to 100m (10 ATM) while the Marlin Automatic 40mm handles 30m (3 ATM). The Pro Trek PRW-B1000-1 is better suited for water activities.
Our Verdict
Casio
Pro Trek PRW-B1000-1
Choose the Casio Pro Trek PRW-B1000-1 if you prioritize Tough Solar Quartz, Multi-Band 6 + Bluetooth engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, 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 PRW-B1000-1 and Timex Marlin Automatic 40mm represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Timex delivers Made in Japan (Movement) engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Casio Pro Trek PRW-B1000-1
Tag Heuer's chronograph meets Casio's timepiece
Tag Heuer Carrera Chronograph vs Timex Marlin Automatic 40mm
Tag Heuer's chronograph meets Timex's timepiece
Tissot PRX Powermatic 80 vs Casio Pro Trek PRW-B1000-1
Two timepieces compared — $500–$1,000 vs $500–$1,000
Explore These Watches
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.

