Citizen Tsuyosa Automatic vs Casio Duro MDV106
Citizen's timepiece meets Casio's diver
Quick Verdict
The Casio Duro MDV106 ($50–$100) delivers Casio Quartz (Battery) technology in the tier below the Citizen Tsuyosa Automatic ($250–$500). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Tsuyosa Automatic justifies its premium with Made in Japan heritage and Automatic Caliber 8210. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Citizen Tsuyosa Automatic | Casio Duro MDV106 |
|---|---|---|
| Price | $250–$500 | $50–$100 |
| Case Size | 40mm | 44mm |
| Movement | Automatic Caliber 8210 | Quartz Module 2784 |
| Caliber Type | Citizen/Miyota In-House Automatic | Casio Quartz (Battery) |
| Power Reserve | 40 Hours | 3-Year Battery |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) Diver |
| Crystal | Sapphire Crystal with Cyclops | Mineral Glass |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Casio's approach
The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops 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 Caliber 8210 vs Quartz Module 2784
The Tsuyosa Automatic runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Duro MDV106 uses the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery reserve) at standard. The Tsuyosa Automatic edges ahead on power reserve.
Wearability & Fit
40mm vs 44mm — different wrist presence
At 40mm, the Tsuyosa Automatic wears more compactly on smaller wrists compared to the Duro MDV106 at 44mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM) Diver.
Value & Cost of Ownership
Casio sits in the lower tier
The Citizen Tsuyosa Automatic sits at $250–$500 and the Casio Duro MDV106 at $50–$100. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Mineral Glass and 3-Year Battery on the Duro MDV106. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM) Diver
The Tsuyosa Automatic is rated to 50m (5 ATM) while the Duro MDV106 handles 200m (20 ATM) Diver. The Duro MDV106 offers superior water resistance.
Our Verdict
Citizen
Tsuyosa Automatic
Choose the Citizen Tsuyosa Automatic if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 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 Citizen Tsuyosa Automatic and Casio Duro MDV106 represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan 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.

