Casio Duro MDV106 vs Casio G-Shock GA-B2100 CasiOak
Two divers compared — ~$65 vs ~$144
Quick Verdict
The Casio Duro MDV106 (~$65) offers Casio Quartz (Battery) precision at $79 less than the Casio G-Shock GA-B2100 CasiOak (~$144). The G-Shock GA-B2100 CasiOak counters with Made in Japan craftsmanship and 200m (20 ATM) water resistance. Both are exceptional divers for their respective price points.
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Specifications Compared
| Feature | Casio Duro MDV106 | Casio G-Shock GA-B2100 CasiOak |
|---|---|---|
| Price | ~$65 | ~$144 |
| Case Size | 44mm | 44.4mm |
| Movement | Quartz Module 2784 | Quartz Module 5611 (Tough Solar + Bluetooth) |
| Caliber Type | Casio Quartz (Battery) | Casio Quartz (Solar-Powered) |
| Power Reserve | 3-Year Battery | — |
| Water Resistance | 200m (20 ATM) Diver | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Stainless Steel | Carbon Core Guard Resin |
| Origin | Casio (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Casio's approach
Movement & Performance
Quartz Module 2784 vs Quartz Module 5611 (Tough Solar + Bluetooth)
Wearability & Fit
44mm vs 44.4mm — different wrist presence
Value & Cost of Ownership
Casio is $79 more affordable
Water Resistance
200m (20 ATM) Diver vs 200m (20 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 AmazonCasio
G-Shock GA-B2100 CasiOak
Choose the Casio G-Shock GA-B2100 CasiOak if you value Casio Quartz (Solar-Powered) technology, Made in Japan heritage, and 44.4mm proportions. At ~$144, the Quartz Module 5611 (Tough Solar + Bluetooth) with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio Duro MDV106 and Casio G-Shock GA-B2100 CasiOak represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Casio delivers Made in Japan engineering.