Frederique Constant Highlife Automatic COSC vs Orient Kamasu Automatic Diver
Frederique Constant's timepiece meets Orient's diver
Quick Verdict
The Orient Kamasu Automatic Diver ($250–$500) delivers Orient In-House Automatic technology in the tier below the Frederique Constant Highlife Automatic COSC ($1,500–$2,500). The Kamasu Automatic Diver measures 41.8mm and is rated 200m (20 ATM). The Highlife Automatic COSC justifies its premium with Swiss Made heritage and Automatic FC-303 (COSC). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Frederique Constant Highlife Automatic COSC | Orient Kamasu Automatic Diver |
|---|---|---|
| Price | $1,500–$2,500 | $250–$500 |
| Case Size | 41mm | 41.8mm |
| Movement | Automatic FC-303 (COSC) | Automatic Caliber F6922 |
| Caliber Type | COSC-Certified Automatic | Orient In-House Automatic |
| Power Reserve | 38 Hours | 40 Hours |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) |
| Crystal | Convex Sapphire | Sapphire Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Frederique Constant's design language vs Orient's approach
The Frederique Constant Highlife Automatic COSC features a Stainless Steel case at 41mm with Convex Sapphire protection. The Orient Kamasu Automatic Diver offers Stainless Steel construction at 41.8mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic FC-303 (COSC) vs Automatic Caliber F6922
The Highlife Automatic COSC runs the Automatic FC-303 (COSC) (COSC-Certified Automatic, 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The Kamasu Automatic Diver uses the Automatic Caliber F6922 (Orient In-House Automatic, 40 Hours reserve) at 21,600 vph (3 Hz). The Kamasu Automatic Diver offers a longer power reserve.
Wearability & Fit
41mm vs 41.8mm — different wrist presence
At 41mm, the Highlife Automatic COSC wears more compactly on smaller wrists compared to the Kamasu Automatic Diver at 41.8mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Orient sits in the lower tier
The Frederique Constant Highlife Automatic COSC sits at $1,500–$2,500 and the Orient Kamasu Automatic Diver at $250–$500. On the specs that outlast any price: the Highlife Automatic COSC uses Convex Sapphire with 38 Hours, against Sapphire Crystal and 40 Hours on the Kamasu Automatic Diver. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM)
The Highlife Automatic COSC is rated to 50m (5 ATM) while the Kamasu Automatic Diver handles 200m (20 ATM). The Kamasu Automatic Diver offers superior water resistance.
Our Verdict
Frederique Constant
Highlife Automatic COSC
Choose the Frederique Constant Highlife Automatic COSC if you prioritize COSC-Certified Automatic engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $1,500–$2,500, it delivers Automatic FC-303 (COSC) with 38 Hours power reserve.
Check Price on AmazonOrient
Kamasu Automatic Diver
Choose the Orient Kamasu Automatic Diver if you value Orient In-House Automatic technology, Made in Japan heritage, and 41.8mm proportions. At $250–$500, the Automatic Caliber F6922 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Frederique Constant Highlife Automatic COSC and Orient Kamasu Automatic Diver represent two distinct approaches to fine watchmaking — the Frederique Constant bringing Swiss Made tradition while Orient delivers Made in Japan 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.

