Head-to-Head Comparison

Hamilton Khaki Field Automatic vs Seiko Prospex Samurai SRPL13

Hamilton's field watch meets Seiko's diver

Quick Verdict

The Seiko Prospex Samurai SRPL13 (~$590) delivers Seiko In-House Automatic technology at $205 less than the Hamilton Khaki Field Automatic (~$795). 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

~$795

Seiko Prospex Samurai SRPL13

Seiko

Prospex Samurai SRPL13

~$590

Specifications Compared

FeatureHamilton Khaki Field AutomaticSeiko Prospex Samurai SRPL13
Price~$795~$590
Case Size38mm43.8mm
MovementAutomatic H-10Automatic Caliber 4R35
Caliber TypeAutomatic (ETA C07.611 base)Seiko In-House Automatic
Power Reserve80 Hours41 Hours
Water Resistance100m (10 ATM)200m (20 ATM)
CrystalSapphire CrystalHardlex Crystal
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeMade in Japan

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Hamilton's design language vs Seiko's approach

⚙️

Movement & Performance

Edge: Hamilton

Automatic H-10 vs Automatic Caliber 4R35

📏

Wearability & Fit

Edge: Hamilton

38mm vs 43.8mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Seiko

Seiko is $205 more affordable

💧

Water Resistance

Edge: Seiko

100m (10 ATM) vs 200m (20 ATM)

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 ~$795, it delivers Automatic H-10 with 80 Hours power reserve.

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Seiko

Prospex Samurai SRPL13

Choose the Seiko Prospex Samurai SRPL13 if you value Seiko In-House Automatic technology, Made in Japan heritage, and 43.8mm proportions. At ~$590, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Hamilton Khaki Field Automatic and Seiko Prospex Samurai SRPL13 represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.

Frequently Asked Questions