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Casio MRW-230H vs Hamilton Khaki Field Automatic
Casio's timepiece meets Hamilton's field watch
Quick Verdict
The Casio MRW-230H (Under $50) offers Casio Quartz (Battery) precision in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The MRW-230H measures 44.6mm (47.9 x 44.6 x 12.3mm) and is rated 100m (10 ATM). The Khaki Field Automatic counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio MRW-230H | Hamilton Khaki Field Automatic |
|---|---|---|
| Price | Under $50 | $500–$1,000 |
| Case Size | 44.6mm (47.9 x 44.6 x 12.3mm) | 38mm |
| Movement | Quartz | Automatic H-10 |
| Caliber Type | Casio Quartz (Battery) | Automatic (ETA C07.611 base) |
| Power Reserve | Approx. 3-year battery (SR626SW) | 80 Hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Resin Glass | Sapphire Crystal |
| Case Material | Resin case, aluminum bezel ring | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Hamilton'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 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 vs Automatic H-10
The MRW-230H runs the Quartz (Casio Quartz (Battery), Approx. 3-year battery (SR626SW) 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
44.6mm (47.9 x 44.6 x 12.3mm) vs 38mm — 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 Khaki Field Automatic at 38mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio MRW-230H sits at Under $50 and the Hamilton Khaki Field Automatic at $500–$1,000. On the specs that outlast any price: the MRW-230H uses Resin Glass with Approx. 3-year battery (SR626SW), against Sapphire Crystal and 80 Hours on the Khaki Field Automatic. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The MRW-230H is rated to 100m (10 ATM) while the Khaki Field Automatic handles 100m (10 ATM). Both offer identical water resistance ratings.
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 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 MRW-230H 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
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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.