Casio Duro MDV106 vs Seiko 5 Sports GMT SSK001
Casio's diver meets Seiko's GMT watch
Quick Verdict
The Casio Duro MDV106 (~$65) offers Casio Quartz (Battery) precision at $430 less than the Seiko 5 Sports GMT SSK001 (~$495). The 5 Sports GMT SSK001 counters with Made in Japan craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Casio Duro MDV106 | Seiko 5 Sports GMT SSK001 |
|---|---|---|
| Price | ~$65 | ~$495 |
| Case Size | 44mm | 42.5mm |
| Movement | Quartz Module 2784 | Automatic Caliber 4R34 (True GMT) |
| Caliber Type | Casio Quartz (Battery) | Seiko In-House Automatic GMT |
| Power Reserve | 3-Year Battery | 41 Hours |
| Water Resistance | 200m (20 ATM) Diver | 100m (10 ATM) |
| Crystal | Mineral Glass | Hardlex Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Seiko's approach
Movement & Performance
Quartz Module 2784 vs Automatic Caliber 4R34 (True GMT)
Wearability & Fit
44mm vs 42.5mm — different wrist presence
Value & Cost of Ownership
Casio is $430 more affordable
Water Resistance
200m (20 ATM) Diver vs 100m (10 ATM)
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 ~$65, it delivers Quartz Module 2784 with 3-Year Battery power reserve.
Check Price on AmazonSeiko
5 Sports GMT SSK001
Choose the Seiko 5 Sports GMT SSK001 if you value Seiko In-House Automatic GMT technology, Made in Japan heritage, and 42.5mm proportions. At ~$495, the Automatic Caliber 4R34 (True GMT) with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Seiko 5 Sports GMT SSK001 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Seiko delivers Made in Japan engineering.