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.
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Specifications Compared
| Feature | Hamilton Khaki Aviation Pilot Auto | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Price | $1,000–$1,500 | $1,500–$2,500 |
| Case Size | 38mm | 42mm |
| Movement | Automatic H-10 (ETA 2824-2 base) | Automatic Caliber RW4200 |
| Caliber Type | Hamilton/ETA Automatic | Automatic (Sellita SW200 base) |
| Power Reserve | 80 Hours | 38 Hours |
| Water Resistance | 100m (10 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
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
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
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
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
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 AmazonRaymond 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 AmazonThe 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
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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.

