Hamilton Khaki Field Automatic vs Timex Marlin Automatic 40mm
Hamilton's field watch meets Timex's timepiece
Quick Verdict
The Timex Marlin Automatic 40mm ($250–$500) delivers Miyota Automatic technology in the tier below the Hamilton Khaki Field Automatic ($500–$1,000). The Marlin Automatic 40mm measures 40mm and is rated 30m (3 ATM). The Khaki Field Automatic justifies its premium with Swiss Made heritage and Automatic H-10. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Hamilton Khaki Field Automatic | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 38mm | 40mm |
| Movement | Automatic H-10 | Automatic Miyota 8205 |
| Caliber Type | Automatic (ETA C07.611 base) | Miyota Automatic |
| Power Reserve | 80 Hours | 40 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Sapphire Crystal | Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Timex's approach
The Hamilton Khaki Field Automatic features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Timex Marlin Automatic 40mm offers Stainless Steel construction at 40mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic H-10 vs Automatic Miyota 8205
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 Marlin Automatic 40mm uses the Automatic Miyota 8205 (Miyota Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Khaki Field Automatic edges ahead on power reserve.
Wearability & Fit
38mm vs 40mm — different wrist presence
At 38mm, the Khaki Field Automatic wears more compactly on smaller wrists compared to the Marlin Automatic 40mm at 40mm. Water resistance differs: 100m (10 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Timex sits in the lower tier
The Hamilton Khaki Field Automatic sits at $500–$1,000 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the Khaki Field Automatic uses Sapphire Crystal with 80 Hours, against Mineral Crystal and 40 Hours on the Marlin Automatic 40mm. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
The Khaki Field Automatic is rated to 100m (10 ATM) while the Marlin Automatic 40mm handles 30m (3 ATM). The Khaki Field Automatic is better suited for water activities.
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 AmazonTimex
Marlin Automatic 40mm
Choose the Timex Marlin Automatic 40mm if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 40mm proportions. At $250–$500, the Automatic Miyota 8205 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Khaki Field Automatic and Timex Marlin Automatic 40mm represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Timex delivers Made in Japan (Movement) 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.

