Casio Duro MDV106 vs Seiko Presage SSA425 Open Heart
Casio's diver meets Seiko's timepiece
Quick Verdict
The Casio Duro MDV106 (~$65) offers Casio Quartz (Battery) precision at $395 less than the Seiko Presage SSA425 Open Heart (~$460). The Presage SSA425 Open Heart counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Casio Duro MDV106 | Seiko Presage SSA425 Open Heart |
|---|---|---|
| Price | ~$65 | ~$460 |
| Case Size | 44mm | 40.5mm |
| Movement | Quartz Module 2784 | Automatic Caliber 4R38 |
| Caliber Type | Casio Quartz (Battery) | Seiko In-House Automatic |
| Power Reserve | 3-Year Battery | 41 Hours |
| Water Resistance | 200m (20 ATM) Diver | 50m (5 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 4R38
Wearability & Fit
44mm vs 40.5mm — different wrist presence
Value & Cost of Ownership
Casio is $395 more affordable
Water Resistance
200m (20 ATM) Diver vs 50m (5 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
Presage SSA425 Open Heart
Choose the Seiko Presage SSA425 Open Heart if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At ~$460, the Automatic Caliber 4R38 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Seiko Presage SSA425 Open Heart represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Seiko delivers Made in Japan engineering.