Head-to-Head Comparison

Casio Pro Trek PRG270-1 vs Frederique Constant Highlife Automatic COSC

Two timepieces compared — $150–$250 vs $1,500–$2,500

Quick Verdict

The Casio Pro Trek PRG270-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Frederique Constant Highlife Automatic COSC ($1,500–$2,500). The Pro Trek PRG270-1 measures 54.6 × 52.4 × 15mm and is rated 100m (10 ATM). The Highlife Automatic COSC counters with Swiss Made craftsmanship and 50m (5 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

Frederique Constant Highlife Automatic COSC

Frederique Constant

Highlife Automatic COSC

$1,500–$2,500

Specifications Compared

FeatureCasio Pro Trek PRG270-1Frederique Constant Highlife Automatic COSC
Price$150–$250$1,500–$2,500
Case Size54.6 × 52.4 × 15mm41mm
MovementTough Solar (Solar Quartz)Automatic FC-303 (COSC)
Caliber TypeTough Solar Quartz (No Battery Change)COSC-Certified Automatic
Power ReserveTough Solar (Rechargeable)38 Hours
Water Resistance100m (10 ATM)50m (5 ATM)
CrystalMineral GlassConvex Sapphire
Case MaterialResinStainless Steel
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Frederique Constant's approach

The Casio Pro Trek PRG270-1 features a Resin case at 54.6 × 52.4 × 15mm with Mineral Glass protection. The Frederique Constant Highlife Automatic COSC offers Stainless Steel construction at 41mm with Convex Sapphire. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Frederique Constant

Tough Solar (Solar Quartz) vs Automatic FC-303 (COSC)

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 Highlife Automatic COSC uses the Automatic FC-303 (COSC) (COSC-Certified Automatic, 38 Hours reserve) at 28,800 vph (4 Hz). The Highlife Automatic COSC offers a longer power reserve.

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Wearability & Fit

Edge: Frederique Constant

54.6 × 52.4 × 15mm vs 41mm — different wrist presence

At 54.6 × 52.4 × 15mm, the Pro Trek PRG270-1 has a bolder wrist presence compared to the Highlife Automatic COSC at 41mm. Water resistance differs: 100m (10 ATM) vs 50m (5 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 Frederique Constant Highlife Automatic COSC at $1,500–$2,500. On the specs that outlast any price: the Pro Trek PRG270-1 uses Mineral Glass with Tough Solar (Rechargeable), against Convex Sapphire and 38 Hours on the Highlife Automatic COSC. Service intervals are typically 5-7 years for both.

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Water Resistance

Edge: Casio

100m (10 ATM) vs 50m (5 ATM)

The Pro Trek PRG270-1 is rated to 100m (10 ATM) while the Highlife Automatic COSC handles 50m (5 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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Frederique Constant

Highlife Automatic COSC

Choose the Frederique Constant Highlife Automatic COSC if you value COSC-Certified Automatic technology, Swiss Made heritage, and 41mm proportions. At $1,500–$2,500, the Automatic FC-303 (COSC) with 38 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRG270-1 and Frederique Constant Highlife Automatic COSC represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Frederique Constant delivers Swiss Made 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 Frederique Constant Highlife Automatic COSC ($1,500–$2,500) features Automatic FC-303 (COSC) with 50m (5 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Swiss Made engineering.
The Casio Pro Trek PRG270-1 offers better upfront value, sitting a tier lower at $150–$250. However, the Frederique Constant Highlife Automatic COSC 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 Highlife Automatic COSC at 41mm with 50m (5 ATM) is similarly capable. The Pro Trek PRG270-1 uses Mineral Glass while the Highlife Automatic COSC uses Convex Sapphire. Sapphire resists scratches noticeably better than mineral glass.

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.