Casio G-Shock DW-5600 Square vs Hamilton Khaki Field Automatic
Casio's diver meets Hamilton's field watch
Quick Verdict
The Casio G-Shock DW-5600 Square ($50–$100) offers Casio Digital Quartz (Battery) precision in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The G-Shock DW-5600 Square measures 42.8mm (Square) and is rated 200m (20 ATM). The Khaki Field Automatic counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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 DW-5600 Square | Hamilton Khaki Field Automatic |
|---|---|---|
| Price | $50–$100 | $500–$1,000 |
| Case Size | 42.8mm (Square) | 38mm |
| Movement | Quartz Module 3229 | Automatic H-10 |
| Caliber Type | Casio Digital Quartz (Battery) | Automatic (ETA C07.611 base) |
| Power Reserve | 2-Year Battery | 80 Hours |
| Water Resistance | 200m (20 ATM) | 100m (10 ATM) |
| Crystal | Mineral Glass | Sapphire Crystal |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Hamilton's approach
The Casio G-Shock DW-5600 Square features a Resin case at 42.8mm (Square) with Mineral Glass protection. The Hamilton Khaki Field Automatic offers Stainless Steel construction at 38mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 3229 vs Automatic H-10
The G-Shock DW-5600 Square runs the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery power reserve) at standard frequency. The Khaki Field Automatic uses the Automatic H-10 (Automatic (ETA C07.611 base), 80 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic offers a longer power reserve.
Wearability & Fit
42.8mm (Square) vs 38mm — different wrist presence
At 42.8mm (Square), the G-Shock DW-5600 Square has a bolder wrist presence compared to the Khaki Field Automatic at 38mm. Water resistance differs: 200m (20 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio G-Shock DW-5600 Square sits at $50–$100 and the Hamilton Khaki Field Automatic at $500–$1,000. On the specs that outlast any price: the G-Shock DW-5600 Square uses Mineral Glass with 2-Year Battery, against Sapphire Crystal and 80 Hours on the Khaki Field Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 100m (10 ATM)
The G-Shock DW-5600 Square is rated to 200m (20 ATM) while the Khaki Field Automatic handles 100m (10 ATM). The G-Shock DW-5600 Square is better suited for water activities.
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 AmazonHamilton
Khaki Field Automatic
Choose the Hamilton Khaki Field Automatic if you value Automatic (ETA C07.611 base) technology, Swiss Made heritage, and 38mm proportions. At $500–$1,000, the Automatic H-10 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio G-Shock DW-5600 Square and Hamilton Khaki Field Automatic represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Hamilton delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Explore These Watches
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.