Longines HydroConquest Automatic vs Raymond Weil Freelancer Open Heart
Longines's diver meets Raymond Weil's timepiece
Quick Verdict
The Longines HydroConquest Automatic ($1,500–$2,500) and Raymond Weil Freelancer Open Heart ($1,500–$2,500) are closely matched timepieces at similar price points. The HydroConquest Automatic emphasizes ETA-Based Automatic with Silicon Balance Spring engineering while the Freelancer Open Heart focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Longines HydroConquest Automatic | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Price | $1,500–$2,500 | $1,500–$2,500 |
| Case Size | 41mm | 42mm |
| Movement | Automatic L888.5 | Automatic Caliber RW4200 |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | Automatic (Sellita SW200 base) |
| Power Reserve | 72 Hours | 38 Hours |
| Water Resistance | 300m (30 ATM) | 100m (10 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Sapphire with Antiglare |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Raymond Weil's approach
The Longines HydroConquest Automatic features a Stainless Steel case at 41mm with Sapphire with Anti-Reflective Coating 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 L888.5 vs Automatic Caliber RW4200
The HydroConquest Automatic runs the Automatic L888.5 (ETA-Based Automatic with Silicon Balance Spring, 72 Hours power reserve) at 25,200 vph (3.5 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 HydroConquest Automatic edges ahead on power reserve.
Wearability & Fit
41mm vs 42mm — different wrist presence
At 41mm, the HydroConquest Automatic wears more compactly on smaller wrists compared to the Freelancer Open Heart at 42mm. Water resistance differs: 300m (30 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Longines HydroConquest Automatic sits at $1,500–$2,500 and the Raymond Weil Freelancer Open Heart at $1,500–$2,500. On the specs that outlast any price: the HydroConquest Automatic uses Sapphire with Anti-Reflective Coating with 72 Hours, against Sapphire with Antiglare and 38 Hours on the Freelancer Open Heart. Service intervals are typically 5-7 years for both.
Water Resistance
300m (30 ATM) vs 100m (10 ATM)
The HydroConquest Automatic is rated to 300m (30 ATM) while the Freelancer Open Heart handles 100m (10 ATM). The HydroConquest Automatic is better suited for water activities.
Materials Face-Off
| Component | Longines HydroConquest Automatic | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Ceramic Bezel | Zirconium oxide (ZrO₂) with engraved and paint-filled 60-minute dive scale Mohs 8.5 | 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. |
| Sapphire Crystal | Flat sapphire with anti-reflective coating on the underside Mohs 9 | 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. |
| Silicon Balance Spring | Si hairspring in the L888.5 caliber — introduced 2020 across the HydroConquest line | Stainless steel H-link bracelet with polished center links and brushed outer links. Butterfly deployant clasp with push-button release. |
| 316L Stainless Steel | Brushed flanks with polished bevel edges — mixed finishing for visual depth | Standard Super-LumiNova applied to hour markers and hands. Green emission spectrum provides reliable low-light visibility. |
| Super-LumiNova | Applied to sword-style hands and all hour indices | 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 Raymond Weil Freelancer Open Heart saves you $46 over 5 years of ownership
Who Should Pick Which
Pick the Longines HydroConquest Automatic if…
- Best-in-class 72-hour power reserve at sub-$2,000
- Silicon hairspring antimagnetic protection at an accessible price
- Swiss heritage enthusiasts — Longines' 1832 founding and Olympic/aviation history
- Legitimate 300m dive capability with everyday wearability
- Value seekers — at grey-market pricing the spec-per-dollar is nearly unbeatable
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
Longines HydroConquest Automatic
- ETA-base movement at this price — excellent but not "in-house" in the purist sense
- 21mm lug width — awkward for aftermarket straps (most are 20mm or 22mm)
- 25,200 vph (3.5 Hz) — seconds hand sweep is less smooth than 28,800 vph competitors
- Not COSC-certified — no chronometer guarantee (unlike Tudor or Omega at similar prices)
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
Longines
HydroConquest Automatic
Choose the Longines HydroConquest Automatic if you prioritize ETA-Based Automatic with Silicon Balance Spring engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At $1,500–$2,500, it delivers Automatic L888.5 with 72 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 Longines HydroConquest Automatic and Raymond Weil Freelancer Open Heart represent two distinct approaches to fine watchmaking — the Longines 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.

