Casio Pro Trek PRG340-1 vs Hamilton Intra-Matic Auto Chronograph
Casio's timepiece meets Hamilton's chronograph
Quick Verdict
The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Hamilton Intra-Matic Auto Chronograph ($2,500–$5,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Intra-Matic Auto Chronograph counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Pro Trek PRG340-1 | Hamilton Intra-Matic Auto Chronograph |
|---|---|---|
| Price | $150–$250 | $2,500–$5,000 |
| Case Size | 54.7 × 51.7 × 15.1mm | 40mm |
| Movement | Tough Solar (Solar Quartz) | Automatic H-31 |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Valjoux-Based Automatic Chronograph |
| Power Reserve | Tough Solar (Rechargeable) | 60 Hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Mineral Glass | Sapphire (Domed) |
| Case Material | Bio-Based Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Hamilton'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 Hamilton Intra-Matic Auto Chronograph offers Stainless Steel construction at 40mm with Sapphire (Domed). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Automatic H-31
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 Intra-Matic Auto Chronograph uses the Automatic H-31 (Valjoux-Based Automatic Chronograph, 60 Hours reserve) at 28,800 vph (4 Hz). The Intra-Matic Auto Chronograph offers a longer power reserve.
Wearability & Fit
54.7 × 51.7 × 15.1mm vs 40mm — different wrist presence
At 54.7 × 51.7 × 15.1mm, the Pro Trek PRG340-1 has a bolder wrist presence compared to the Intra-Matic Auto Chronograph at 40mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRG340-1 sits at $150–$250 and the Hamilton Intra-Matic Auto Chronograph at $2,500–$5,000. On the specs that outlast any price: the Pro Trek PRG340-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire (Domed) and 60 Hours on the Intra-Matic Auto Chronograph. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Pro Trek PRG340-1 is rated to 100m (10 ATM) while the Intra-Matic Auto Chronograph handles 100m (10 ATM). Both offer identical water resistance ratings.
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 AmazonHamilton
Intra-Matic Auto Chronograph
Choose the Hamilton Intra-Matic Auto Chronograph if you value Valjoux-Based Automatic Chronograph technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic H-31 with 60 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG340-1 and Hamilton Intra-Matic Auto Chronograph represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Hamilton delivers Swiss Made engineering.
Frequently Asked Questions
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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.