Casio G-Shock DW-5600 Square vs Oris Aquis Date Calibre 400
Two divers compared — $50–$100 vs $2,500–$5,000
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) offers Casio Digital Quartz (Battery) precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Aquis Date Calibre 400 counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional divers for their respective tiers.
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Specifications Compared
| Feature | Casio G-Shock DW-5600 Square | Oris Aquis Date Calibre 400 |
|---|---|---|
| Price | $50–$100 | $2,500–$5,000 |
| Case Size | 42.8mm (Square) | 41.5mm |
| Movement | Quartz Module 3229 | Automatic Calibre 400 |
| Caliber Type | Casio Digital Quartz (Battery) | Oris In-House Manufacture |
| Power Reserve | 2-Year Battery | 120 Hours (5 Days) |
| Water Resistance | 200m (20 ATM) | 300m (30 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal with Anti-Reflective Coating |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Oris's approach
The Casio G-Shock DW-5600 Square features a Resin case at 42.8mm (Square) with Mineral Glass protection. The Oris Aquis Date Calibre 400 offers Stainless Steel construction at 41.5mm with Sapphire Crystal with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3229 vs Automatic Calibre 400
The G-Shock DW-5600 Square runs the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery power reserve) at standard frequency. The Aquis Date Calibre 400 uses the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) reserve) at 28,800 vph (4 Hz). The Aquis Date Calibre 400 offers a longer power reserve.
Wearability & Fit
42.8mm (Square) vs 41.5mm — different wrist presence
At 42.8mm (Square), the G-Shock DW-5600 Square has a bolder wrist presence compared to the Aquis Date Calibre 400 at 41.5mm. Water resistance differs: 200m (20 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio G-Shock DW-5600 Square sits at $50–$100 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the G-Shock DW-5600 Square uses Mineral Glass with 2-Year Battery, against Sapphire Crystal with Anti-Reflective Coating and 120 Hours (5 Days) on the Aquis Date Calibre 400. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 300m (30 ATM)
The G-Shock DW-5600 Square is rated to 200m (20 ATM) while the Aquis Date Calibre 400 handles 300m (30 ATM). The Aquis Date Calibre 400 offers superior water resistance.
Our Verdict
Casio
G-Shock DW-5600 Square
Choose the Casio G-Shock DW-5600 Square if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 200m (20 ATM) water resistance. At $50–$100, it delivers Quartz Module 3229 with 2-Year Battery power reserve.
Check Price on AmazonOris
Aquis Date Calibre 400
Choose the Oris Aquis Date Calibre 400 if you value Oris In-House Manufacture technology, Swiss Made heritage, and 41.5mm proportions. At $2,500–$5,000, the Automatic Calibre 400 with 120 Hours (5 Days) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio G-Shock DW-5600 Square and Oris Aquis Date Calibre 400 represent two distinct approaches to the diver category — the Casio bringing Casio (Japan) tradition while Oris delivers Swiss Made engineering.
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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.