Head-to-Head Comparison

Casio Pro Trek PRG340-1 vs Patek Philippe Calatrava 6119R

Casio's timepiece meets Patek Philippe's dress watch

Quick Verdict

The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Patek Philippe Calatrava 6119R ($25,000+). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Calatrava 6119R counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.

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Casio Pro Trek PRG340-1

Casio

Pro Trek PRG340-1

$150–$250

Patek Philippe Calatrava 6119R

Patek Philippe

Calatrava 6119R

$25,000+

Specifications Compared

FeatureCasio Pro Trek PRG340-1Patek Philippe Calatrava 6119R
Price$150–$250$25,000+
Case Size54.7 × 51.7 × 15.1mm39mm
MovementTough Solar (Solar Quartz)Manual-Wind Caliber 30-255 PS
Caliber TypeTough Solar Quartz (No Battery Change)Patek Philippe In-House Manual-Wind
Power ReserveTough Solar (Rechargeable)65 Hours
Water Resistance100m (10 ATM)30m (3 ATM)
CrystalMineral GlassSapphire Crystal
Case MaterialBio-Based Resin18k Rose Gold
OriginCasio (Japan)Swiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

Casio's design language vs Patek Philippe's approach

The Casio Pro Trek PRG340-1 features a Bio-Based Resin case at 54.7 × 51.7 × 15.1mm with Mineral Glass protection. The Patek Philippe Calatrava 6119R offers 18k Rose Gold construction at 39mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

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Movement & Performance

Edge: Patek Philippe

Tough Solar (Solar Quartz) vs Manual-Wind Caliber 30-255 PS

The Pro Trek PRG340-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), Tough Solar (Rechargeable) power reserve) at standard frequency. The Calatrava 6119R uses the Manual-Wind Caliber 30-255 PS (Patek Philippe In-House Manual-Wind, 65 Hours reserve) at 28,800 vph (4 Hz). The Calatrava 6119R offers a longer power reserve.

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Wearability & Fit

Edge: Patek Philippe

54.7 × 51.7 × 15.1mm vs 39mm — different wrist presence

At 54.7 × 51.7 × 15.1mm, the Pro Trek PRG340-1 has a bolder wrist presence compared to the Calatrava 6119R at 39mm. 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 PRG340-1 sits at $150–$250 and the Patek Philippe Calatrava 6119R at $25,000+. On the specs that outlast any price: the Pro Trek PRG340-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire Crystal and 65 Hours on the Calatrava 6119R. 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 PRG340-1 is rated to 100m (10 ATM) while the Calatrava 6119R handles 30m (3 ATM). The Pro Trek PRG340-1 is better suited for water activities.

Our Verdict

Casio

Pro Trek PRG340-1

Choose the Casio Pro Trek PRG340-1 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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Patek Philippe

Calatrava 6119R

Choose the Patek Philippe Calatrava 6119R if you value Patek Philippe In-House Manual-Wind technology, Swiss Made heritage, and 39mm proportions. At $25,000+, the Manual-Wind Caliber 30-255 PS with 65 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Casio Pro Trek PRG340-1 and Patek Philippe Calatrava 6119R represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Patek Philippe delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar (Solar Quartz) with Tough Solar (Rechargeable) power reserve, while the Patek Philippe Calatrava 6119R ($25,000+) features Manual-Wind Caliber 30-255 PS with 30m (3 ATM) water resistance. Choose based on your priorities: Casio (Japan) craftsmanship vs Swiss Made engineering.
The Casio Pro Trek PRG340-1 offers better upfront value, sitting a tier lower at $150–$250. However, the Patek Philippe Calatrava 6119R may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Pro Trek PRG340-1 at 54.7 × 51.7 × 15.1mm with 100m (10 ATM) water resistance handles everyday situations. The Calatrava 6119R at 39mm with 30m (3 ATM) is similarly capable. The Pro Trek PRG340-1 uses Mineral Glass while the Calatrava 6119R uses Sapphire Crystal. 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.