Hamilton Khaki Field Automatic vs Rolex Datejust 41
Hamilton's field watch meets Rolex's dress watch
Quick Verdict
The Hamilton Khaki Field Automatic ($500–$1,000) offers Automatic (ETA C07.611 base) precision in the tier below the Rolex Datejust 41 ($5,000–$10,000). The Khaki Field Automatic measures 38mm and is rated 100m (10 ATM). The Datejust 41 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 | Hamilton Khaki Field Automatic | Rolex Datejust 41 |
|---|---|---|
| Price | $500–$1,000 | $5,000–$10,000 |
| Case Size | 38mm | 41mm |
| Movement | Automatic H-10 | Automatic Caliber 3235 |
| Caliber Type | Automatic (ETA C07.611 base) | Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) |
| Power Reserve | 80 Hours | 70 Hours |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Oystersteel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Rolex's approach
The Hamilton Khaki Field Automatic features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Rolex Datejust 41 offers Oystersteel construction at 41mm with Sapphire Crystal with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic H-10 vs Automatic Caliber 3235
The Khaki Field Automatic runs the Automatic H-10 (Automatic (ETA C07.611 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Datejust 41 uses the Automatic Caliber 3235 (Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day), 70 Hours reserve) at standard. The Khaki Field Automatic edges ahead on power reserve.
Wearability & Fit
38mm vs 41mm — different wrist presence
At 38mm, the Khaki Field Automatic wears more compactly on smaller wrists compared to the Datejust 41 at 41mm. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Hamilton sits in the lower tier
The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Rolex Datejust 41 at $5,000–$10,000. On the specs that outlast any price: the Khaki Field Automatic uses Sapphire Crystal with 80 Hours, against Sapphire Crystal with Cyclops and 70 Hours on the Datejust 41. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The Khaki Field Automatic is rated to 100m (10 ATM) while the Datejust 41 handles 100m (10 ATM). Both offer identical water resistance ratings.
Our Verdict
Hamilton
Khaki Field Automatic
Choose the Hamilton Khaki Field Automatic if you prioritize Automatic (ETA C07.611 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic H-10 with 80 Hours power reserve.
Check Price on AmazonRolex
Datejust 41
Choose the Rolex Datejust 41 if you value Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) technology, Swiss Made heritage, and 41mm proportions. At $5,000–$10,000, the Automatic Caliber 3235 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Khaki Field Automatic and Rolex Datejust 41 represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Rolex 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.