Casio Pro Trek PRG340-1 vs Tissot Le Locle Powermatic 80
Casio's timepiece meets Tissot'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 Tissot Le Locle Powermatic 80 ($500–$1,000). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Le Locle Powermatic 80 counters with Swiss Made (Swatch Group) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Pro Trek PRG340-1 | Tissot Le Locle Powermatic 80 |
|---|---|---|
| Price | $150–$250 | $500–$1,000 |
| Case Size | 54.7 × 51.7 × 15.1mm | 39.3mm |
| Movement | Tough Solar (Solar Quartz) | Powermatic 80.111 |
| Caliber Type | Tough Solar Quartz (No Battery Change) | ETA-Based Automatic |
| Power Reserve | Tough Solar (Rechargeable) | 80 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Bio-Based Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Tissot'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 Tissot Le Locle Powermatic 80 offers Stainless Steel construction at 39.3mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Powermatic 80.111
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 Le Locle Powermatic 80 uses the Powermatic 80.111 (ETA-Based Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Le Locle Powermatic 80 offers a longer power reserve.
Wearability & Fit
54.7 × 51.7 × 15.1mm vs 39.3mm — different wrist presence
At 54.7 × 51.7 × 15.1mm, the Pro Trek PRG340-1 has a bolder wrist presence compared to the Le Locle Powermatic 80 at 39.3mm. 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 Tissot Le Locle Powermatic 80 at $500–$1,000. On the specs that outlast any price: the Pro Trek PRG340-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire Crystal and 80 Hours on the Le Locle Powermatic 80. 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 Le Locle Powermatic 80 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 AmazonTissot
Le Locle Powermatic 80
Choose the Tissot Le Locle Powermatic 80 if you value ETA-Based Automatic technology, Swiss Made (Swatch Group) heritage, and 39.3mm proportions. At $500–$1,000, the Powermatic 80.111 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG340-1 and Tissot Le Locle Powermatic 80 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made (Swatch Group) 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.