Casio Pro Trek PRG601-1 vs Citizen Eco-Drive Weekender Garrison
Casio's timepiece meets Citizen's field watch
Quick Verdict
The Citizen Eco-Drive Weekender Garrison ($100–$150) delivers Eco-Drive Solar Quartz (No Battery Change) technology in the tier below the Casio Pro Trek PRG601-1 ($250–$500). The Eco-Drive Weekender Garrison measures 37mm and is rated 100m (10 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.
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 Eco-Drive Weekender Garrison |
|---|---|---|
| Price | $250–$500 | $100–$150 |
| Case Size | 51.6mm | 37mm |
| Movement | Tough Solar (Solar Quartz) | Eco-Drive Caliber E101 |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Eco-Drive Solar Quartz (No Battery Change) |
| Power Reserve | 7 Months (Solar, Full Charge); 25 Months Power Save | 6 Months (Solar, Full Charge) |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| 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 Eco-Drive Weekender Garrison offers Stainless Steel construction at 37mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Eco-Drive Caliber E101
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 Eco-Drive Weekender Garrison uses the Eco-Drive Caliber E101 (Eco-Drive Solar Quartz (No Battery Change), 6 Months (Solar, Full Charge) reserve) at standard. The Pro Trek PRG601-1 edges ahead on power reserve.
Wearability & Fit
51.6mm vs 37mm — different wrist presence
At 51.6mm, the Pro Trek PRG601-1 has a bolder wrist presence compared to the Eco-Drive Weekender Garrison at 37mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Casio Pro Trek PRG601-1 sits at $250–$500 and the Citizen Eco-Drive Weekender Garrison at $100–$150. 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 6 Months (Solar, Full Charge) on the Eco-Drive Weekender Garrison. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Pro Trek PRG601-1 is rated to 100m (10 ATM) while the Eco-Drive Weekender Garrison handles 100m (10 ATM). Both offer identical water resistance ratings.
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
Eco-Drive Weekender Garrison
Choose the Citizen Eco-Drive Weekender Garrison if you value Eco-Drive Solar Quartz (No Battery Change) technology, Citizen (Japan) heritage, and 37mm proportions. At $100–$150, the Eco-Drive Caliber E101 with 6 Months (Solar, Full Charge) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG601-1 and Citizen Eco-Drive Weekender Garrison 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 Eco-Drive Weekender Garrison
Tag Heuer's chronograph meets Citizen's field watch
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.