Casio Pro Trek PRW3500T-7 vs Rado True Square Automatic
Casio's diver meets Rado's timepiece
Quick Verdict
The Casio Pro Trek PRW3500T-7 ($250–$500) offers Tough Solar Quartz, Multi-Band 6 precision in the tier below the Rado True Square Automatic ($1,500–$2,500). The Pro Trek PRW3500T-7 measures 56.9 × 53.4 × 14.8mm and is rated 200m (20 ATM). The True Square Automatic counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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 PRW3500T-7 | Rado True Square Automatic |
|---|---|---|
| Price | $250–$500 | $1,500–$2,500 |
| Case Size | 56.9 × 53.4 × 14.8mm | 38mm (Square) |
| Movement | Tough Solar (Solar Quartz), Radio-Controlled | Automatic ETA C07.611 |
| Caliber Type | Tough Solar Quartz, Multi-Band 6 | Powermatic 80 (ETA-Based) |
| Power Reserve | Tough Solar (Rechargeable) | 80 Hours |
| Water Resistance | 200m (20 ATM) | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire (Anti-Reflective) |
| Case Material | Resin / Stainless Steel, Titanium Bracelet | Monobloc High-Tech Ceramic |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Rado's approach
The Casio Pro Trek PRW3500T-7 features a Resin / Stainless Steel, Titanium Bracelet case at 56.9 × 53.4 × 14.8mm with Mineral Glass protection. The Rado True Square Automatic offers Monobloc High-Tech Ceramic construction at 38mm (Square) with Sapphire (Anti-Reflective). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Tough Solar (Solar Quartz), Radio-Controlled vs Automatic ETA C07.611
The Pro Trek PRW3500T-7 runs the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, Tough Solar (Rechargeable) power reserve) at standard frequency. The True Square Automatic uses the Automatic ETA C07.611 (Powermatic 80 (ETA-Based), 80 Hours reserve) at 21,600 vph (3 Hz). The True Square Automatic offers a longer power reserve.
Wearability & Fit
56.9 × 53.4 × 14.8mm vs 38mm (Square) — different wrist presence
At 56.9 × 53.4 × 14.8mm, the Pro Trek PRW3500T-7 has a bolder wrist presence compared to the True Square Automatic at 38mm (Square). Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Pro Trek PRW3500T-7 sits at $250–$500 and the Rado True Square Automatic at $1,500–$2,500. On the specs that outlast any price: the Pro Trek PRW3500T-7 uses Mineral Glass with Tough Solar (Rechargeable), against Sapphire (Anti-Reflective) and 80 Hours on the True Square Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 50m (5 ATM)
The Pro Trek PRW3500T-7 is rated to 200m (20 ATM) while the True Square Automatic handles 50m (5 ATM). The Pro Trek PRW3500T-7 is better suited for water activities.
Our Verdict
Casio
Pro Trek PRW3500T-7
Choose the Casio Pro Trek PRW3500T-7 if you prioritize Tough Solar Quartz, Multi-Band 6 engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve.
Check Price on AmazonRado
True Square Automatic
Choose the Rado True Square Automatic if you value Powermatic 80 (ETA-Based) technology, Swiss Made heritage, and 38mm (Square) proportions. At $1,500–$2,500, the Automatic ETA C07.611 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Pro Trek PRW3500T-7 and Rado True Square Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Rado delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
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.