Head-to-Head Comparison

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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Hamilton Khaki Field Automatic

Hamilton

Khaki Field Automatic

$500–$1,000

Timex Marlin Automatic 40mm

Timex

Marlin Automatic 40mm

$250–$500

Specifications Compared

FeatureHamilton Khaki Field AutomaticTimex Marlin Automatic 40mm
Price$500–$1,000$250–$500
Case Size38mm40mm
MovementAutomatic H-10Automatic Miyota 8205
Caliber TypeAutomatic (ETA C07.611 base)Miyota Automatic
Power Reserve80 Hours40 Hours
Water Resistance100m (10 ATM)30m (3 ATM)
CrystalSapphire CrystalMineral Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeMade in Japan (Movement)

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Hamilton

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.

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Wearability & Fit

Edge: Hamilton

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).

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Value & Cost of Ownership

Edge: Timex

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.

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Water Resistance

Edge: Hamilton

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.

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Timex

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.

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The 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

Neither is objectively better — they serve different preferences. The Hamilton Khaki Field Automatic ($500–$1,000) offers Automatic H-10 with 80 Hours power reserve, while the Timex Marlin Automatic 40mm ($250–$500) features Automatic Miyota 8205 with 30m (3 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Made in Japan (Movement) engineering.
The Timex Marlin Automatic 40mm offers better upfront value, sitting a tier lower at $250–$500. However, the Hamilton Khaki Field Automatic may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Khaki Field Automatic at 38mm with 100m (10 ATM) water resistance handles everyday situations. The Marlin Automatic 40mm at 40mm with 30m (3 ATM) is similarly capable. The Khaki Field Automatic uses Sapphire Crystal while the Marlin Automatic 40mm uses Mineral Crystal. Sapphire resists scratches noticeably better than mineral glass.

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.