Casio Pro Trek PRG601-1 vs Citizen Promaster Aqualand BN2038
Casio's timepiece meets Citizen's diver
Quick Verdict
The Casio Pro Trek PRG601-1 ($250–$500) offers Tough Solar Quartz (No Battery Change) precision in the tier below the Citizen Promaster Aqualand BN2038 ($500–$1,000). The Pro Trek PRG601-1 measures 51.6mm and is rated 100m (10 ATM). The Promaster Aqualand BN2038 counters with Citizen (Japan) craftsmanship and 200m Diver water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Pro Trek PRG601-1 | Citizen Promaster Aqualand BN2038 |
|---|---|---|
| Price | $250–$500 | $500–$1,000 |
| Case Size | 51.6mm | 46mm |
| Movement | Tough Solar (Solar Quartz) | Eco-Drive |
| Caliber Type | Tough Solar Quartz (No Battery Change) | Citizen Eco-Drive |
| Power Reserve | 7 Months (Solar, Full Charge); 25 Months Power Save | — |
| Water Resistance | 100m (10 ATM) | 200m Diver |
| Crystal | 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 Promaster Aqualand BN2038 offers Stainless Steel construction at 46mm with crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz) vs Eco-Drive
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 Promaster Aqualand BN2038 uses the Eco-Drive (Citizen Eco-Drive, standard reserve) at standard. The Pro Trek PRG601-1 edges ahead on power reserve.
Wearability & Fit
51.6mm vs 46mm — different wrist presence
At 51.6mm, the Pro Trek PRG601-1 has a bolder wrist presence compared to the Promaster Aqualand BN2038 at 46mm. Water resistance differs: 100m (10 ATM) vs 200m Diver.
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRG601-1 sits at $250–$500 and the Citizen Promaster Aqualand BN2038 at $500–$1,000. 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 a hardened crystal and a standard reserve on the Promaster Aqualand BN2038. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m Diver
The Pro Trek PRG601-1 is rated to 100m (10 ATM) while the Promaster Aqualand BN2038 handles 200m Diver. The Promaster Aqualand BN2038 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 AmazonCitizen
Promaster Aqualand BN2038
Choose the Citizen Promaster Aqualand BN2038 if you value Citizen Eco-Drive technology, Citizen (Japan) heritage, and 46mm proportions. At $500–$1,000, the Eco-Drive with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRG601-1 and Citizen Promaster Aqualand BN2038 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Citizen (Japan) 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.