Head-to-Head Comparison

Casio Pro Trek PRG270-1 vs Timex Marlin Automatic 40mm

Two timepieces compared — $150–$250 vs $250–$500

Quick Verdict

The Casio Pro Trek PRG270-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Timex Marlin Automatic 40mm ($250–$500). The Pro Trek PRG270-1 measures 54.6 × 52.4 × 15mm and is rated 100m (10 ATM). The Marlin Automatic 40mm counters with Made in Japan (Movement) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional timepieces for their respective tiers.

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Casio Pro Trek PRG270-1

Casio

Pro Trek PRG270-1

$150–$250

Timex Marlin Automatic 40mm

Timex

Marlin Automatic 40mm

$250–$500

Specifications Compared

FeatureCasio Pro Trek PRG270-1Timex Marlin Automatic 40mm
Price$150–$250$250–$500
Case Size54.6 × 52.4 × 15mm40mm
MovementTough Solar (Solar Quartz)Automatic Miyota 8205
Caliber TypeTough Solar Quartz (No Battery Change)Miyota Automatic
Power ReserveTough Solar (Rechargeable)40 Hours
Water Resistance100m (10 ATM)30m (3 ATM)
CrystalMineral GlassMineral Crystal
Case MaterialResinStainless Steel
OriginCasio (Japan)Made in Japan (Movement)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Timex's approach

The Casio Pro Trek PRG270-1 features a Resin case at 54.6 × 52.4 × 15mm 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.

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Movement & Performance

Edge: Timex

Tough Solar (Solar Quartz) vs Automatic Miyota 8205

The Pro Trek PRG270-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), 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.

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Wearability & Fit

Edge: Timex

54.6 × 52.4 × 15mm vs 40mm — different wrist presence

At 54.6 × 52.4 × 15mm, the Pro Trek PRG270-1 has a bolder wrist presence compared to the Marlin Automatic 40mm at 40mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).

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Value & Cost of Ownership

Edge: Casio

Casio sits in the lower tier

The Casio Pro Trek PRG270-1 sits at $150–$250 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Pro Trek PRG270-1 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.

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Water Resistance

Edge: Casio

100m (10 ATM) vs 30m (3 ATM)

The Pro Trek PRG270-1 is rated to 100m (10 ATM) while the Marlin Automatic 40mm handles 30m (3 ATM). The Pro Trek PRG270-1 is better suited for water activities.

Our Verdict

Casio

Pro Trek PRG270-1

Choose the Casio Pro Trek PRG270-1 if you prioritize Tough Solar Quartz (No Battery Change) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $150–$250, it delivers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve.

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Timex

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.

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The Bottom Line

The Casio Pro Trek PRG270-1 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

Neither is objectively better — they serve different preferences. The Casio Pro Trek PRG270-1 ($150–$250) offers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve, while the Timex Marlin Automatic 40mm ($250–$500) features Automatic Miyota 8205 with 30m (3 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Made in Japan (Movement) engineering.
The Casio Pro Trek PRG270-1 offers better upfront value, sitting a tier lower at $150–$250. However, the Timex Marlin Automatic 40mm may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Trek PRG270-1 at 54.6 × 52.4 × 15mm with 100m (10 ATM) water resistance handles everyday situations. The Marlin Automatic 40mm at 40mm with 30m (3 ATM) is similarly capable. The Pro Trek PRG270-1 uses Mineral Glass while the Marlin Automatic 40mm uses Mineral Crystal.

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.