Head-to-Head Comparison

Updated September 5, 2026

Hamilton Khaki Field Mechanical 38mm vs Raymond Weil Freelancer Open Heart

Hamilton's field watch meets Raymond Weil's timepiece

Quick Verdict

The Hamilton Khaki Field Mechanical 38mm ($500–$1,000) offers Hamilton/ETA Hand-Wound precision in the tier below the Raymond Weil Freelancer Open Heart ($1,500–$2,500). The Khaki Field Mechanical 38mm measures 38mm and is rated 50m (5 ATM). The Freelancer Open Heart counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.

HamiltonKhaki Field Mechanical 38mm$500–$1,000 Check price Raymond WeilFreelancer Open Heart$1,500–$2,500 Check price

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Hamilton

Khaki Field Mechanical 38mm

$500–$1,000

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Raymond Weil

Freelancer Open Heart

$1,500–$2,500

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Specifications Compared

Feature	Hamilton Khaki Field Mechanical 38mm	Raymond Weil Freelancer Open Heart
Price	$500–$1,000	$1,500–$2,500
Case Size	38mm	42mm
Movement	Hand-Wound H-50 (ETA 2801-2 base)	Automatic Caliber RW4200
Caliber Type	Hamilton/ETA Hand-Wound	Automatic (Sellita SW200 base)
Power Reserve	80 Hours	38 Hours
Water Resistance	50m (5 ATM)	100m (10 ATM)
Crystal	Sapphire Crystal	Sapphire with Antiglare
Case Material	Stainless Steel	Stainless Steel
Origin	Swiss Made	Swiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Hamilton's design language vs Raymond Weil's approach

The Hamilton Khaki Field Mechanical 38mm features a Stainless Steel case at 38mm with Sapphire Crystal protection. The Raymond Weil Freelancer Open Heart offers Stainless Steel construction at 42mm with Sapphire with Antiglare. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Hamilton

Hand-Wound H-50 (ETA 2801-2 base) vs Automatic Caliber RW4200

The Khaki Field Mechanical 38mm runs the Hand-Wound H-50 (ETA 2801-2 base) (Hamilton/ETA Hand-Wound, 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Freelancer Open Heart uses the Automatic Caliber RW4200 (Automatic (Sellita SW200 base), 38 Hours reserve) at 28,800 vph (4 Hz). The Khaki Field Mechanical 38mm edges ahead on power reserve.

📏

Wearability & Fit

Edge: Hamilton

38mm vs 42mm — different wrist presence

At 38mm, the Khaki Field Mechanical 38mm wears more compactly on smaller wrists compared to the Freelancer Open Heart at 42mm. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Hamilton

Hamilton sits in the lower tier

The Hamilton Khaki Field Mechanical 38mm sits at $500–$1,000 and the Raymond Weil Freelancer Open Heart at $1,500–$2,500. On the specs that outlast any price: the Khaki Field Mechanical 38mm uses Sapphire Crystal with 80 Hours, against Sapphire with Antiglare and 38 Hours on the Freelancer Open Heart. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Raymond Weil

50m (5 ATM) vs 100m (10 ATM)

The Khaki Field Mechanical 38mm is rated to 50m (5 ATM) while the Freelancer Open Heart handles 100m (10 ATM). The Freelancer Open Heart offers superior water resistance.

Our Verdict

Hamilton

Khaki Field Mechanical 38mm

Choose the Hamilton Khaki Field Mechanical 38mm if you prioritize Hamilton/ETA Hand-Wound engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $500–$1,000, it delivers Hand-Wound H-50 (ETA 2801-2 base) with 80 Hours power reserve.

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Raymond Weil

Freelancer Open Heart

Choose the Raymond Weil Freelancer Open Heart if you value Automatic (Sellita SW200 base) technology, Swiss Made heritage, and 42mm proportions. At $1,500–$2,500, the Automatic Caliber RW4200 with 38 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Hamilton Khaki Field Mechanical 38mm and Raymond Weil Freelancer Open Heart represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made tradition while Raymond Weil delivers Swiss Made engineering.

Frequently Asked Questions

For water, the Raymond Weil Freelancer Open Heart is rated 100 m against 50 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Hamilton Khaki Field Mechanical 38mm sits a band lower ($500–$1,000 against $1,500–$2,500), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.

The Hamilton Khaki Field Mechanical 38mm offers better upfront value, sitting a tier lower at $500–$1,000. However, the Raymond Weil Freelancer Open Heart may justify its premium with superior finishing, heritage, or resale value.

Both are suitable for daily wear. The Khaki Field Mechanical 38mm at 38mm with 50m (5 ATM) water resistance handles everyday situations. The Freelancer Open Heart at 42mm with 100m (10 ATM) is similarly capable. The Khaki Field Mechanical 38mm uses Sapphire Crystal while the Freelancer Open Heart uses Sapphire with Antiglare.

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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.