Casio Pro Trek PRG601-1 vs Invicta Pro Diver Automatic
Casio's timepiece meets Invicta's diver
Quick Verdict
The Invicta Pro Diver Automatic ($50–$100) delivers Seiko NH35 Automatic (Hacking, Hand-Winding) technology in the tier below the Casio Pro Trek PRG601-1 ($250–$500). The Pro Diver Automatic measures 40mm and is rated 200m (20 ATM). The Pro Trek PRG601-1 justifies its premium with Casio (Japan) heritage and Tough Solar (Solar Quartz). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Casio Pro Trek PRG601-1 | Invicta Pro Diver Automatic |
|---|---|---|
| Price | $250–$500 | $50–$100 |
| Case Size | 51.6mm | 40mm |
| Movement | Tough Solar (Solar Quartz) | Automatic Seiko NH35 |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Seiko NH35 Automatic (Hacking, Hand-Winding) |
| Power Reserve | 7 Months (Solar, Full Charge); 25 Months Power Save | 41 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Bio-Based Resin / Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Japanese Movement (Seiko NH35) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Invicta's approach
The Casio Pro Trek PRG601-1 features a Bio-Based Resin / Stainless Steel case at 51.6mm with Mineral Glass protection. The Invicta Pro Diver Automatic offers Stainless Steel construction at 40mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Automatic Seiko NH35
The Pro Trek PRG601-1 runs the Tough Solar (Solar Quartz) (Tough Solar Quartz (No Battery Change), 7 Months (Solar, Full Charge); 25 Months Power Save power reserve) at standard frequency. The Pro Diver Automatic uses the Automatic Seiko NH35 (Seiko NH35 Automatic (Hacking, Hand-Winding), 41 Hours reserve) at 21,600 vph (3 Hz). The Pro Diver Automatic offers a longer power reserve.
Wearability & Fit
51.6mm vs 40mm — different wrist presence
At 51.6mm, the Pro Trek PRG601-1 has a bolder wrist presence compared to the Pro Diver Automatic at 40mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Invicta sits in the lower tier
The Casio Pro Trek PRG601-1 sits at $250–$500 and the Invicta Pro Diver Automatic at $50–$100. On the specs that outlast any price: the Pro Trek PRG601-1 uses Mineral Glass with 7 Months (Solar, Full Charge); 25 Months Power Save, against Mineral Glass and 41 Hours on the Pro Diver Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The Pro Trek PRG601-1 is rated to 100m (10 ATM) while the Pro Diver Automatic handles 200m (20 ATM). The Pro Diver Automatic offers superior water resistance.
Our Verdict
Casio
Pro Trek PRG601-1
Choose the Casio Pro Trek PRG601-1 if you prioritize Tough Solar Quartz (No Battery Change) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz) with 7 Months (Solar, Full Charge); 25 Months Power Save power reserve.
Check Price on AmazonInvicta
Pro Diver Automatic
Choose the Invicta Pro Diver Automatic if you value Seiko NH35 Automatic (Hacking, Hand-Winding) technology, Japanese Movement (Seiko NH35) heritage, and 40mm proportions. At $50–$100, the Automatic Seiko NH35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG601-1 and Invicta Pro Diver Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Invicta delivers Japanese Movement (Seiko NH35) 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.