Orient Kamasu Automatic Diver vs Raymond Weil Freelancer Open Heart
Orient's diver meets Raymond Weil's timepiece
Quick Verdict
The Orient Kamasu Automatic Diver ($250–$500) offers Orient In-House Automatic precision in the tier below the Raymond Weil Freelancer Open Heart ($1,500–$2,500). The Kamasu Automatic Diver measures 41.8mm and is rated 200m (20 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.
Specifications Compared
| Feature | Orient Kamasu Automatic Diver | Raymond Weil Freelancer Open Heart |
|---|---|---|
| Price | $250–$500 | $1,500–$2,500 |
| Case Size | 41.8mm | 42mm |
| Movement | Automatic Caliber F6922 | Automatic Caliber RW4200 |
| Caliber Type | Orient In-House Automatic | Automatic (Sellita SW200 base) |
| Power Reserve | 40 Hours | 38 Hours |
| Water Resistance | 200m (20 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal | Sapphire with Antiglare |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Orient's design language vs Raymond Weil's approach
The Orient Kamasu Automatic Diver features a Stainless Steel case at 41.8mm 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 Caliber F6922 vs Automatic Caliber RW4200
The Kamasu Automatic Diver runs the Automatic Caliber F6922 (Orient In-House Automatic, 40 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 Kamasu Automatic Diver edges ahead on power reserve.
Wearability & Fit
41.8mm vs 42mm — different wrist presence
At 41.8mm, the Kamasu Automatic Diver wears more compactly on smaller wrists compared to the Freelancer Open Heart at 42mm. Water resistance differs: 200m (20 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Orient Kamasu Automatic Diver sits at $250–$500 and the Raymond Weil Freelancer Open Heart at $1,500–$2,500. On the specs that outlast any price: the Kamasu Automatic Diver uses Sapphire Crystal with 40 Hours, against Sapphire with Antiglare and 38 Hours on the Freelancer Open Heart. Service intervals are typically 5-7 years for both.
Water Resistance
200m (20 ATM) vs 100m (10 ATM)
The Kamasu Automatic Diver is rated to 200m (20 ATM) while the Freelancer Open Heart handles 100m (10 ATM). The Kamasu Automatic Diver is better suited for water activities.
Our Verdict
Orient
Kamasu Automatic Diver
Choose the Orient Kamasu Automatic Diver if you prioritize Orient In-House Automatic engineering, Made in Japan craftsmanship, and 200m (20 ATM) water resistance. At $250–$500, it delivers Automatic Caliber F6922 with 40 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 Orient Kamasu Automatic Diver and Raymond Weil Freelancer Open Heart represent two distinct approaches to fine watchmaking — the Orient bringing Made in Japan tradition while Raymond Weil delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tag Heuer Carrera Chronograph vs Orient Kamasu Automatic Diver
Tag Heuer's chronograph meets Orient's diver
Tag Heuer Carrera Chronograph vs Raymond Weil Freelancer Open Heart
Tag Heuer's chronograph meets Raymond Weil's timepiece
Tissot PRX Powermatic 80 vs Orient Kamasu Automatic Diver
Tissot's timepiece meets Orient's diver
Explore These Watches
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.