Casio Duro MDV106 vs Citizen Tsuyosa Automatic (Green Dial)
Casio's diver meets Citizen's timepiece
Quick Verdict
The Casio Duro MDV106 ($50–$100) offers Casio Quartz (Battery) precision in the tier below the Citizen Tsuyosa Automatic (Green Dial) ($250–$500). The Duro MDV106 measures 44mm and is rated 200m (20 ATM) Diver. The Tsuyosa Automatic (Green Dial) counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio Duro MDV106 | Citizen Tsuyosa Automatic (Green Dial) |
|---|---|---|
| Price | $50–$100 | $250–$500 |
| Case Size | 44mm | 40mm |
| Movement | Quartz Module 2784 | Automatic Caliber 8210 |
| Caliber Type | Casio Quartz (Battery) | Citizen/Miyota In-House Automatic |
| Power Reserve | 3-Year Battery | 40 Hours |
| Water Resistance | 200m (20 ATM) Diver | 50m (5 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Citizen's approach
The Casio Duro MDV106 features a Stainless Steel case at 44mm with Mineral Glass protection. The Citizen Tsuyosa Automatic (Green Dial) offers Stainless Steel construction at 40mm with Sapphire Crystal with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 2784 vs Automatic Caliber 8210
The Duro MDV106 runs the Quartz Module 2784 (Casio Quartz (Battery), 3-Year Battery power reserve) at standard frequency. The Tsuyosa Automatic (Green Dial) uses the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Tsuyosa Automatic (Green Dial) offers a longer power reserve.
Wearability & Fit
44mm vs 40mm — different wrist presence
At 44mm, the Duro MDV106 has a bolder wrist presence compared to the Tsuyosa Automatic (Green Dial) at 40mm. Water resistance differs: 200m (20 ATM) Diver vs 50m (5 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio Duro MDV106 sits at $50–$100 and the Citizen Tsuyosa Automatic (Green Dial) at $250–$500. On the specs that outlast any price: the Duro MDV106 uses Mineral Glass with 3-Year Battery, against Sapphire Crystal with Cyclops and 40 Hours on the Tsuyosa Automatic (Green Dial). Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) Diver vs 50m (5 ATM)
The Duro MDV106 is rated to 200m (20 ATM) Diver while the Tsuyosa Automatic (Green Dial) handles 50m (5 ATM). The Duro MDV106 is better suited for water activities.
Our Verdict
Casio
Duro MDV106
Choose the Casio Duro MDV106 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 AmazonCitizen
Tsuyosa Automatic (Green Dial)
Choose the Citizen Tsuyosa Automatic (Green Dial) if you value Citizen/Miyota In-House Automatic technology, Made in Japan heritage, and 40mm proportions. At $250–$500, the Automatic Caliber 8210 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Citizen Tsuyosa Automatic (Green Dial) represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Citizen delivers Made in 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.