Casio Pro Trek PRG601-1 vs Citizen Blue Angels Navihawk 40mm
Casio's timepiece meets Citizen's chronograph
Quick Verdict
The Casio Pro Trek PRG601-1 ($250–$500) and Citizen Blue Angels Navihawk 40mm ($250–$500) are closely matched timepieces at similar price points. The Pro Trek PRG601-1 emphasizes Tough Solar Quartz (No Battery Change) engineering while the Blue Angels Navihawk 40mm focuses on Citizen (Japan) craftsmanship.
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 PRG601-1 | Citizen Blue Angels Navihawk 40mm |
|---|---|---|
| Price | $250–$500 | $250–$500 |
| Case Size | 51.6mm | 40mm |
| Movement | Tough Solar (Solar Quartz) | Eco-Drive Chronograph |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Citizen Eco-Drive Caliber B620 |
| Power Reserve | 7 Months (Solar, Full Charge); 25 Months Power Save | — |
| Water Resistance | 100m (10 ATM) | — |
| Crystal | Mineral Glass | Anti-reflective sapphire |
| Case Material | Bio-Based Resin / Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Citizen (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Citizen's approach
The Casio Pro Trek PRG601-1 features a Bio-Based Resin / Stainless Steel case at 51.6mm with Mineral Glass protection. The Citizen Blue Angels Navihawk 40mm offers Stainless Steel construction at 40mm with Anti-reflective sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Eco-Drive Chronograph
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 Blue Angels Navihawk 40mm uses the Eco-Drive Chronograph (Citizen Eco-Drive Caliber B620, standard reserve) at standard. The Pro Trek PRG601-1 edges ahead on 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 Blue Angels Navihawk 40mm at 40mm. Water resistance differs: 100m (10 ATM) vs 50m.
Value & Cost of Ownership
Same tier — different value propositions
The Casio Pro Trek PRG601-1 sits at $250–$500 and the Citizen Blue Angels Navihawk 40mm at $250–$500. 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 Anti-reflective sapphire and a standard reserve on the Blue Angels Navihawk 40mm. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m
The Pro Trek PRG601-1 is rated to 100m (10 ATM) while the Blue Angels Navihawk 40mm handles 50m. The Pro Trek PRG601-1 is better suited for water activities.
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 AmazonCitizen
Blue Angels Navihawk 40mm
Choose the Citizen Blue Angels Navihawk 40mm if you value Citizen Eco-Drive Caliber B620 technology, Citizen (Japan) heritage, and 40mm proportions. At $250–$500, the Eco-Drive Chronograph with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG601-1 and Citizen Blue Angels Navihawk 40mm represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Citizen (Japan) engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Casio Pro Trek PRG601-1
Tag Heuer's chronograph meets Casio's timepiece
Tag Heuer Carrera Chronograph vs Citizen Blue Angels Navihawk 40mm
Two chronographs compared — $2,500–$5,000 vs $250–$500
Tissot PRX Powermatic 80 vs Casio Pro Trek PRG601-1
Two timepieces compared — $500–$1,000 vs $250–$500
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.