Updated
Casio MRW-230H vs Casio G-Shock DW-5600 Square
Casio's timepiece meets Casio's diver
Quick Verdict
The Casio MRW-230H (Under $50) and Casio G-Shock DW-5600 Square ($50–$100) are closely matched timepieces at similar price points. The MRW-230H emphasizes Casio Quartz (Battery) engineering while the G-Shock DW-5600 Square focuses on Casio (Japan) craftsmanship.
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Specifications Compared
| Feature | Casio MRW-230H | Casio G-Shock DW-5600 Square |
|---|---|---|
| Price | Under $50 | $50–$100 |
| Case Size | 44.6mm (47.9 x 44.6 x 12.3mm) | 42.8mm (Square) |
| Movement | Quartz | Quartz Module 3229 |
| Caliber Type | Casio Quartz (Battery) | Casio Digital Quartz (Battery) |
| Power Reserve | Approx. 3-year battery (SR626SW) | 2-Year Battery |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Resin Glass | Mineral Glass |
| Case Material | Resin case, aluminum bezel ring | Resin |
| Origin | Casio (Japan) | Casio (Japan) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Casio's approach
The Casio MRW-230H features a Resin case, aluminum bezel ring case at 44.6mm (47.9 x 44.6 x 12.3mm) with Resin Glass protection. The Casio G-Shock DW-5600 Square offers Resin construction at 42.8mm (Square) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz vs Quartz Module 3229
The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) power reserve) at standard frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The G-Shock DW-5600 Square offers a longer power reserve.
Wearability & Fit
44.6mm (47.9 x 44.6 x 12.3mm) vs 42.8mm (Square) — different wrist presence
At 44.6mm (47.9 x 44.6 x 12.3mm), the MRW-230H has a bolder wrist presence compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Casio MRW-230H sits at Under $50 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The MRW-230H is rated to 100m (10 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.
Our Verdict
Casio
MRW-230H
Choose the Casio MRW-230H if you prioritize Casio Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 100m (10 ATM) water resistance. At Under $50, it delivers Quartz with Approx. 3-year battery (SR626SW) 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 $50–$100, the Quartz Module 3229 with 2-Year Battery power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio MRW-230H and Casio G-Shock DW-5600 Square represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Casio delivers Casio (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.