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.
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 PRG340-1 | Patek Philippe Calatrava 6119R |
|---|---|---|
| Price | $150–$250 | $25,000+ |
| Case Size | 54.7 × 51.7 × 15.1mm | 39mm |
| Movement | Tough Solar (Solar Quartz) | Manual-Wind Caliber 30-255 PS |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Patek Philippe In-House Manual-Wind |
| Power Reserve | Tough Solar (Rechargeable) | 65 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Bio-Based Resin | 18k Rose Gold |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
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.
Movement & Performance
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.
Wearability & Fit
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).
Value & Cost of Ownership
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.
Water Resistance
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.
Check Price on AmazonPatek 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.
Check Price on AmazonThe 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
More Comparisons
Tag Heuer Carrera Chronograph vs Casio Pro Trek PRG340-1
Tag Heuer's chronograph meets Casio's timepiece
Tag Heuer Carrera Chronograph vs Patek Philippe Calatrava 6119R
Tag Heuer's chronograph meets Patek Philippe's dress watch
Tissot PRX Powermatic 80 vs Casio Pro Trek PRG340-1
Two timepieces compared — $500–$1,000 vs $150–$250
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.

