Hamilton Khaki Field Automatic vs Raymond Weil Freelancer Open Heart
Hamilton's field watch meets Raymond Weil's timepiece
Quick Verdict
The Hamilton Khaki Field Automatic ($500–$1,000) offers Automatic (ETA C07.611 base) precision in the tier below the Raymond Weil Freelancer Open Heart ($1,500–$2,500). The Khaki Field Automatic 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 Field Automatic | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Price | $500–$1,000 | $1,500–$2,500 |
| Case Size | 38mm | 42mm |
| Movement | Automatic H-10 | Automatic Caliber RW4200 |
| Caliber Type | Automatic (ETA C07.611 base) | 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 Field Automatic 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 vs Automatic Caliber RW4200
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 Freelancer Open Heart uses the Automatic Caliber RW4200 (Automatic (Sellita SW200 base), 38 Hours reserve) at 28,800 vph (4 Hz). The Khaki Field Automatic edges ahead on power reserve.
Wearability & Fit
38mm vs 42mm — different wrist presence
At 38mm, the Khaki Field Automatic 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 Field Automatic 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 Automatic 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 Field Automatic is rated to 100m (10 ATM) while the Freelancer Open Heart handles 100m (10 ATM). Both offer identical water resistance ratings.
Materials Face-Off
| Component | Hamilton Khaki Field Automatic | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Case | Stainless steel, brushed finish. Hamilton does not publish the alloy grade for this reference. | Medical-grade 316L stainless steel with alloy composition: Fe (~65%), Cr (16–18%), Ni (10–14%), Mo (2–3%), Mn (≤2%), C (≤0.03%). Mixed finishing — polished bezel, case flanks, and bracelet center links with satin-brushed outer surfaces. |
| Crystal | Verneuil-grown sapphire, single-side AR coating. | Synthetic corundum crystal (Mohs hardness 9) with dual-sided anti-reflective coating — applied to both the front crystal and the exhibition caseback sapphire. This dual coating reduces glare for optimal viewing of both the dial-side open-heart aperture and the rear movement view. |
| Lume | Super-LumiNova on the hands and hour numerals. Hamilton lists "Super Luminova: Yes" for this reference and does not publish a grade, so none is claimed here. | Stainless steel H-link bracelet with polished center links and brushed outer links. Butterfly deployant clasp with push-button release. |
| Strap | Full-grain leather (varies by reference). | Standard Super-LumiNova applied to hour markers and hands. Green emission spectrum provides reliable low-light visibility. |
| Open-Heart Dial Engineering | — | Unlike standard open-heart designs that simply drill cutouts into solid dials, the RW1212 movement's gear train was completely relocated to position the balance wheel at 6 o'clock on the dial side, suspended symmetrically under a skeletonized single bridge. This is dedicated engineering, not cosmetic modification. |
Cost of Ownership Compared
The Hamilton Khaki Field Automatic saves you $1,317 over 5 years of ownership
Who Should Pick Which
Pick the Hamilton Khaki Field Automatic if…
- Strong value proposition under $1,000 with quality construction
- Active lifestyle wearers — 100m water resistance handles swimming and water sports
- Weekend warriors — 80-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Military/field watch enthusiasts who value legibility and durability
Pick the Raymond Weil Freelancer Open Heart if…
- Enthusiasts who want a visible balance wheel / open-heart complication under $2,000
- Those who value independent, family-owned Swiss watchmaking over conglomerate brands
- Dress-sport watch seekers — the Freelancer bridges formal and casual effortlessly
- Buyers who appreciate genuine movement engineering (RW1212 is proprietary, not a cosmetic cutout)
- Music and arts enthusiasts drawn to Raymond Weil's cultural DNA
Hamilton Khaki Field Automatic
- Same H-10 / C07 movement as Tissot PRX and Mido — paying brand premium for the Hamilton heritage
- 3 Hz "slow" seconds beat (visible 6 ticks/sec vs. 8)
- Strap quality is adequate, not exceptional
- No hacking, but movement is auto-only (no hand-wind on the 80h variant — older H-30 caliber refs had it)
Raymond Weil Freelancer Open Heart
- Brand recognition gap: Raymond Weil has limited recognition outside watch enthusiast circles. Most people won't recognize the brand — which matters if brand cachet drives your purchase decision.
- 38–41 hour power reserve: Below the 2026 standard of 60–80 hours. The dedicated two-hand design helps conserve power, but skip a day wearing it and you'll still need to reset.
- Open-heart polarization: Open-heart designs are divisive — enthusiasts either love the visible mechanism or consider it a gimmick. The RW1212's symmetrical single-bridge execution is among the most elegant implementations, but the opinion split persists.
- Grey-market erosion: Heavy discounts (35–40% off retail) suggest the MSRP is aspirational rather than market-clearing, which can undermine perceived value.
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.
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 Field Automatic 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.