Frederique Constant Classic Quartz Moonphase vs Oris Aquis Date Calibre 400
Frederique Constant's dress watch meets Oris's diver
Quick Verdict
The Frederique Constant Classic Quartz Moonphase ($1,000–$1,500) offers Swiss Quartz precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The Classic Quartz Moonphase measures 40mm and is rated 50m (5 ATM). The Aquis Date Calibre 400 counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Frederique Constant Classic Quartz Moonphase | Oris Aquis Date Calibre 400 |
|---|---|---|
| Price | $1,000–$1,500 | $2,500–$5,000 |
| Case Size | 40mm | 41.5mm |
| Movement | Quartz FC-206 | Automatic Calibre 400 |
| Caliber Type | Swiss Quartz | Oris In-House Manufacture |
| Power Reserve | Battery | 120 Hours (5 Days) |
| Water Resistance | 50m (5 ATM) | 300m (30 ATM) |
| Crystal | Anti-Reflective Sapphire Crystal | Sapphire Crystal with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Frederique Constant's design language vs Oris's approach
The Frederique Constant Classic Quartz Moonphase features a Stainless Steel case at 40mm with Anti-Reflective Sapphire Crystal protection. The Oris Aquis Date Calibre 400 offers Stainless Steel construction at 41.5mm with Sapphire Crystal with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz FC-206 vs Automatic Calibre 400
The Classic Quartz Moonphase runs the Quartz FC-206 (Swiss Quartz, Battery power reserve) at standard frequency. The Aquis Date Calibre 400 uses the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) reserve) at 28,800 vph (4 Hz). The Aquis Date Calibre 400 offers a longer power reserve.
Wearability & Fit
40mm vs 41.5mm — different wrist presence
At 40mm, the Classic Quartz Moonphase wears more compactly on smaller wrists compared to the Aquis Date Calibre 400 at 41.5mm. Water resistance differs: 50m (5 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Frederique Constant sits in the lower tier
The Frederique Constant Classic Quartz Moonphase sits at $1,000–$1,500 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the Classic Quartz Moonphase uses Anti-Reflective Sapphire Crystal with Battery, against Sapphire Crystal with Anti-Reflective Coating and 120 Hours (5 Days) on the Aquis Date Calibre 400. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 300m (30 ATM)
The Classic Quartz Moonphase is rated to 50m (5 ATM) while the Aquis Date Calibre 400 handles 300m (30 ATM). The Aquis Date Calibre 400 offers superior water resistance.
Our Verdict
Frederique Constant
Classic Quartz Moonphase
Choose the Frederique Constant Classic Quartz Moonphase if you prioritize Swiss Quartz engineering, Swiss Made craftsmanship, and 50m (5 ATM) water resistance. At $1,000–$1,500, it delivers Quartz FC-206 with Battery power reserve.
Check Price on AmazonOris
Aquis Date Calibre 400
Choose the Oris Aquis Date Calibre 400 if you value Oris In-House Manufacture technology, Swiss Made heritage, and 41.5mm proportions. At $2,500–$5,000, the Automatic Calibre 400 with 120 Hours (5 Days) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Frederique Constant Classic Quartz Moonphase and Oris Aquis Date Calibre 400 represent two distinct approaches to fine watchmaking — the Frederique Constant bringing Swiss Made tradition while Oris 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.

