Casio Pro Trek PRG340-1 vs Oris Big Crown Pointer Date
Casio's timepiece meets Oris's pilot watch
Quick Verdict
The Casio Pro Trek PRG340-1 ($150–$250) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Oris Big Crown Pointer Date ($1,500–$2,500). The Pro Trek PRG340-1 measures 54.7 × 51.7 × 15.1mm and is rated 100m (10 ATM). The Big Crown Pointer Date counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Pro Trek PRG340-1 | Oris Big Crown Pointer Date |
|---|---|---|
| Price | $150–$250 | $1,500–$2,500 |
| Case Size | 54.7 × 51.7 × 15.1mm | 40mm |
| Movement | Tough Solar (Solar Quartz) | Automatic Oris 754 (Sellita Base) |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Modified Sellita Automatic |
| Power Reserve | Tough Solar (Rechargeable) | 38 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire (Domed, Inside AR Coating) |
| Case Material | Bio-Based Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Oris'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 Oris Big Crown Pointer Date offers Stainless Steel construction at 40mm with Sapphire (Domed, Inside AR Coating). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Automatic Oris 754 (Sellita Base)
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 Big Crown Pointer Date uses the Automatic Oris 754 (Sellita Base) (Modified Sellita Automatic, 38 Hours reserve) at 28,800 vph (4 Hz). The Big Crown Pointer Date 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 Big Crown Pointer Date at 40mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRG340-1 sits at $150–$250 and the Oris Big Crown Pointer Date at $1,500–$2,500. On the specs that outlast any price: the Pro Trek PRG340-1 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire (Domed, Inside AR Coating) and 38 Hours on the Big Crown Pointer Date. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
The Pro Trek PRG340-1 is rated to 100m (10 ATM) while the Big Crown Pointer Date handles 50m (5 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 AmazonOris
Big Crown Pointer Date
Choose the Oris Big Crown Pointer Date if you value Modified Sellita Automatic technology, Swiss Made heritage, and 40mm proportions. At $1,500–$2,500, the Automatic Oris 754 (Sellita Base) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG340-1 and Oris Big Crown Pointer Date represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Oris 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.