Omega Speedmaster Professional vs Casio Pro Trek PRW3500T-7
Omega's chronograph meets Casio's diver
Quick Verdict
The Casio Pro Trek PRW3500T-7 ($250–$500) delivers Tough Solar Quartz, Multi-Band 6 technology in the tier below the Omega Speedmaster Professional ($5,000–$10,000). The Pro Trek PRW3500T-7 measures 56.9 × 53.4 × 14.8mm and is rated 200m (20 ATM). The Speedmaster Professional justifies its premium with Swiss Made heritage and Manual-Winding Caliber 3861. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Omega Speedmaster Professional | Casio Pro Trek PRW3500T-7 |
|---|---|---|
| Price | $5,000–$10,000 | $250–$500 |
| Case Size | 42mm | 56.9 × 53.4 × 14.8mm |
| Movement | Manual-Winding Caliber 3861 | Tough Solar (Solar Quartz), Radio-Controlled |
| Caliber Type | In-House Manual-Winding Manufacture (Co-Axial) | Tough Solar Quartz, Multi-Band 6 |
| Power Reserve | 50 Hours | Tough Solar (Rechargeable) |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) |
| Crystal | Hesalite or Sapphire | Mineral Glass |
| Case Material | Stainless Steel | Resin / Stainless Steel, Titanium Bracelet |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Omega's design language vs Casio's approach
The Omega Speedmaster Professional features a Stainless Steel case at 42mm with Hesalite or Sapphire protection. The Casio Pro Trek PRW3500T-7 offers Resin / Stainless Steel, Titanium Bracelet construction at 56.9 × 53.4 × 14.8mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Manual-Winding Caliber 3861 vs Tough Solar (Solar Quartz), Radio-Controlled
The Speedmaster Professional runs the Manual-Winding Caliber 3861 (In-House Manual-Winding Manufacture (Co-Axial), 50 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Pro Trek PRW3500T-7 uses the Tough Solar (Solar Quartz), Radio-Controlled (Tough Solar Quartz, Multi-Band 6, Tough Solar (Rechargeable) reserve) at standard. The Speedmaster Professional edges ahead on power reserve.
Wearability & Fit
42mm vs 56.9 × 53.4 × 14.8mm — different wrist presence
At 42mm, the Speedmaster Professional wears more compactly on smaller wrists compared to the Pro Trek PRW3500T-7 at 56.9 × 53.4 × 14.8mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Omega Speedmaster Professional sits at $5,000–$10,000 and the Casio Pro Trek PRW3500T-7 at $250–$500. On the specs that outlast any price: the Speedmaster Professional uses Hesalite or Sapphire with 50 Hours, against Mineral Glass and Tough Solar (Rechargeable) on the Pro Trek PRW3500T-7. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM)
The Speedmaster Professional is rated to 50m (5 ATM) while the Pro Trek PRW3500T-7 handles 200m (20 ATM). The Pro Trek PRW3500T-7 offers superior water resistance.
Our Verdict
Omega
Speedmaster Professional
Choose the Omega Speedmaster Professional if you prioritize In-House Manual-Winding Manufacture (Co-Axial) engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $5,000–$10,000, it delivers Manual-Winding Caliber 3861 with 50 Hours power reserve.
Check Price on AmazonCasio
Pro Trek PRW3500T-7
Choose the Casio Pro Trek PRW3500T-7 if you value Tough Solar Quartz, Multi-Band 6 technology, Casio (Japan) heritage, and 56.9 × 53.4 × 14.8mm proportions. At $250–$500, the Tough Solar (Solar Quartz), Radio-Controlled with Tough Solar (Rechargeable) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Omega Speedmaster Professional and Casio Pro Trek PRW3500T-7 represent two distinct approaches to fine watchmaking — the Omega bringing Swiss Made tradition while Casio delivers Casio (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.