Updated
Casio Duro MDV106 Black vs Casio Pro Trek PRW3500T-7
Two divers compared — $50–$100 vs $250–$500
Quick Verdict
The Casio Duro MDV106 Black ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Casio Pro Trek PRW3500T-7 ($250–$500). The Duro MDV106 Black measures 44mm and is rated 200m (20 ATM) Diver. The Pro Trek PRW3500T-7 counters with Casio (Japan) craftsmanship and 200m (20 ATM) water resistance. Both are exceptional divers for their respective tiers.
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Specifications Compared
| Feature | Casio Duro MDV106 Black | Casio Pro Trek PRW3500T-7 |
|---|---|---|
| Price | $50–$100 | $250–$500 |
| Case Size | 44mm | 56.9 × 53.4 × 14.8mm |
| Movement | Quartz Module 2784 | Tough Solar (Solar Quartz), Radio-Controlled |
| Caliber Type | Casio Quartz (Battery) | Tough Solar Quartz, Multi-Band 6 |
| Power Reserve | 3-Year Battery | Tough Solar (Rechargeable) |
| Water Resistance | 200m (20 ATM) Diver | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Stainless Steel | Resin / Stainless Steel, Titanium Bracelet |
| Origin | Casio (Japan) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Casio's approach
The Casio Duro MDV106 Black features a Stainless Steel case at 44mm with Mineral Glass 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
Quartz Module 2784 vs Tough Solar (Solar Quartz), Radio-Controlled
The Duro MDV106 Black runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard 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 Duro MDV106 Black edges ahead on power reserve.
Wearability & Fit
44mm vs 56.9 × 53.4 × 14.8mm — different wrist presence
At 44mm, the Duro MDV106 Black wears more compactly on smaller wrists compared to the Pro Trek PRW3500T-7 at 56.9 × 53.4 × 14.8mm. Water resistance differs: 200m (20 ATM) Diver vs 200m (20 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Duro MDV106 Black sits at $50–$100 and the Casio Pro Trek PRW3500T-7 at $250–$500. On the specs that outlast any price: the Duro MDV106 Black uses Mineral Glass with 3-Year Battery, against Mineral Glass and Tough Solar (Rechargeable) on the Pro Trek PRW3500T-7. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) Diver vs 200m (20 ATM)
The Duro MDV106 Black is rated to 200m (20 ATM) Diver while the Pro Trek PRW3500T-7 handles 200m (20 ATM). Both offer identical water resistance ratings.
Our Verdict
Casio
Duro MDV106 Black
Choose the Casio Duro MDV106 Black if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) Diver water resistance. At $50–$100, it delivers Quartz Module 2784 with 3-Year Battery 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 Casio Duro MDV106 Black and Casio Pro Trek PRW3500T-7 represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Casio delivers Casio (Japan) engineering.
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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.