Head-to-Head Comparison

Hamilton Khaki Aviation Pilot Auto vs Raymond Weil Freelancer Open Heart

Hamilton's pilot watch meets Raymond Weil's timepiece

Quick Verdict

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

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Hamilton Khaki Aviation Pilot Auto

Hamilton

Khaki Aviation Pilot Auto

$1,000–$1,500

Raymond Weil Freelancer Open Heart

Raymond Weil

Freelancer Open Heart

$1,500–$2,500

Specifications Compared

FeatureHamilton Khaki Aviation Pilot AutoRaymond Weil Freelancer Open Heart
Price$1,000–$1,500$1,500–$2,500
Case Size38mm42mm
MovementAutomatic H-10 (ETA 2824-2 base)Automatic Caliber RW4200
Caliber TypeHamilton/ETA AutomaticAutomatic (Sellita SW200 base)
Power Reserve80 Hours38 Hours
Water Resistance100m (10 ATM)100m (10 ATM)
CrystalSapphire CrystalSapphire with Antiglare
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeSwiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Hamilton's design language vs Raymond Weil's approach

The Hamilton Khaki Aviation Pilot Auto 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

Automatic H-10 (ETA 2824-2 base) vs Automatic Caliber RW4200

The Khaki Aviation Pilot Auto runs the Automatic H-10 (ETA 2824-2 base) (Hamilton/ETA Automatic, 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 Aviation Pilot Auto edges ahead on power reserve.

📏

Wearability & Fit

Edge: Hamilton

38mm vs 42mm — different wrist presence

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

💰

Value & Cost of Ownership

Edge: Hamilton

Hamilton sits in the lower tier

The Hamilton Khaki Aviation Pilot Auto sits at $1,000–$1,500 and the Raymond Weil Freelancer Open Heart at $1,500–$2,500. On the specs that outlast any price: the Khaki Aviation Pilot Auto 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: Draw

100m (10 ATM) vs 100m (10 ATM)

The Khaki Aviation Pilot Auto is rated to 100m (10 ATM) while the Freelancer Open Heart handles 100m (10 ATM). Both offer identical water resistance ratings.

Our Verdict

Hamilton

Khaki Aviation Pilot Auto

Choose the Hamilton Khaki Aviation Pilot Auto if you prioritize Hamilton/ETA Automatic engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $1,000–$1,500, it delivers Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve.

Check Price on Amazon

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.

Check Price on Amazon

The Bottom Line

The Hamilton Khaki Aviation Pilot Auto 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

Neither is objectively better — they serve different preferences. The Hamilton Khaki Aviation Pilot Auto ($1,000–$1,500) offers Automatic H-10 (ETA 2824-2 base) with 80 Hours power reserve, while the Raymond Weil Freelancer Open Heart ($1,500–$2,500) features Automatic Caliber RW4200 with 100m (10 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Swiss Made engineering.
The Hamilton Khaki Aviation Pilot Auto offers better upfront value, sitting a tier lower at $1,000–$1,500. 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 Aviation Pilot Auto at 38mm with 100m (10 ATM) water resistance handles everyday situations. The Freelancer Open Heart at 42mm with 100m (10 ATM) is similarly capable. The Khaki Aviation Pilot Auto uses Sapphire Crystal while the Freelancer Open Heart uses Sapphire with Antiglare.

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.