Casio G-Shock GA-B2100 CasiOak vs Casio G-Shock DW-5600 Square
Two divers compared — ~$144 vs ~$95
Quick Verdict
The Casio G-Shock DW-5600 Square (~$95) delivers Casio Digital Quartz (Battery) technology at $49 less than the Casio G-Shock GA-B2100 CasiOak (~$144). The G-Shock GA-B2100 CasiOak justifies its premium with Made in Japan heritage and Quartz Module 5611 (Tough Solar + Bluetooth). Both represent excellent choices in the diver category.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio G-Shock GA-B2100 CasiOak | Casio G-Shock DW-5600 Square |
|---|---|---|
| Price | ~$144 | ~$95 |
| Case Size | 44.4mm | 42.8mm (Square) |
| Movement | Quartz Module 5611 (Tough Solar + Bluetooth) | Quartz Module 3229 |
| Caliber Type | Casio Quartz (Solar-Powered) | Casio Digital Quartz (Battery) |
| Power Reserve | — | 2-Year Battery |
| Water Resistance | 200m (20 ATM) | 200m (20 ATM) |
| Crystal | Mineral Glass | Mineral Glass |
| Case Material | Carbon Core Guard Resin | Resin |
| Origin | Made in Japan | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Casio's approach
Movement & Performance
Quartz Module 5611 (Tough Solar + Bluetooth) vs Quartz Module 3229
Wearability & Fit
44.4mm vs 42.8mm (Square) — different wrist presence
Value & Cost of Ownership
Casio is $49 more affordable
Water Resistance
200m (20 ATM) vs 200m (20 ATM)
Our Verdict
Casio
G-Shock GA-B2100 CasiOak
Choose the Casio G-Shock GA-B2100 CasiOak if you prioritize Casio Quartz (Solar-Powered) engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At ~$144, it delivers Quartz Module 5611 (Tough Solar + Bluetooth) with solid power reserve.
Check Price on AmazonCasio
G-Shock DW-5600 Square
Choose the Casio G-Shock DW-5600 Square if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 42.8mm (Square) proportions. At ~$95, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio G-Shock GA-B2100 CasiOak and Casio G-Shock DW-5600 Square represent two distinct approaches to the diver category — the Casio bringing Made in Japan tradition while Casio delivers Casio (Japan) engineering.
Frequently Asked Questions
More Comparisons
Seiko Prospex Turtle vs G-Shock CasiOak
Mechanical dive heritage vs digital indestructibility
Tag Heuer Carrera Chronograph vs Casio G-Shock GA-B2100 CasiOak
Tag Heuer's chronograph meets Casio's diver
Tag Heuer Carrera Chronograph vs Casio G-Shock DW-5600 Square
Tag Heuer's chronograph meets Casio's diver
