Tudor Black Bay 58 vs Casio Duro MDV106
Two divers compared — $2,500–$5,000 vs $50–$100
Quick Verdict
The Casio Duro MDV106 ($50–$100) delivers Casio Quartz (Battery) technology in the tier below the Tudor Black Bay 58 ($2,500–$5,000). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Black Bay 58 justifies its premium with Swiss Made heritage and Automatic Manufacture Calibre MT5402. Both represent excellent choices in the diver category.
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Specifications Compared
| Feature | Tudor Black Bay 58 | Casio Duro MDV106 |
|---|---|---|
| Price | $2,500–$5,000 | $50–$100 |
| Case Size | 39mm | 44mm |
| Movement | Automatic Manufacture Calibre MT5402 | Quartz Module 2784 |
| Caliber Type | In-House Automatic Manufacture (Kenissi) | Casio Quartz (Battery) |
| Power Reserve | 70 Hours | 3-Year Battery |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) Diver |
| Crystal | Domed Sapphire | Mineral Glass |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Tudor's design language vs Casio's approach
The Tudor Black Bay 58 features a 316L Stainless Steel case at 39mm with Domed Sapphire protection. The Casio Duro MDV106 offers Stainless Steel construction at 44mm with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Manufacture Calibre MT5402 vs Quartz Module 2784
The Black Bay 58 runs the Automatic Manufacture Calibre MT5402 (In-House Automatic Manufacture (Kenissi), 70 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Duro MDV106 uses the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery reserve) at standard. The Black Bay 58 edges ahead on power reserve.
Wearability & Fit
39mm vs 44mm — different wrist presence
At 39mm, the Black Bay 58 wears more compactly on smaller wrists compared to the Duro MDV106 at 44mm. Water resistance differs: 200m (20 ATM) vs 200m (20 ATM) Diver.
Value & Cost of Ownership
Casio sits in the lower tier
The Tudor Black Bay 58 sits at $2,500–$5,000 and the Casio Duro MDV106 at $50–$100. On the specs that outlast any price: the Black Bay 58 uses Domed Sapphire with 70 Hours, against Mineral Glass and 3-Year Battery on the Duro MDV106. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 200m (20 ATM) Diver
The Black Bay 58 is rated to 200m (20 ATM) while the Duro MDV106 handles 200m (20 ATM) Diver. Both offer identical water resistance ratings.
Our Verdict
Tudor
Black Bay 58
Choose the Tudor Black Bay 58 if you prioritize In-House Automatic Manufacture (Kenissi) engineering, Swiss Made craftsmanship, and 200m (20 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Manufacture Calibre MT5402 with 70 Hours power reserve.
Check Price on AmazonCasio
Duro MDV106
Choose the Casio Duro MDV106 if you value Casio Quartz (Battery) technology, Casio (Japan) heritage, and 44mm proportions. At $50–$100, the Quartz Module 2784 with 3-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tudor Black Bay 58 and Casio Duro MDV106 represent two distinct approaches to the diver category — the Tudor 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.