Head-to-Head Comparison

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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Frederique Constant Classic Quartz Moonphase

Frederique Constant

Classic Quartz Moonphase

$1,000–$1,500

Oris Aquis Date Calibre 400

Oris

Aquis Date Calibre 400

$2,500–$5,000

Specifications Compared

FeatureFrederique Constant Classic Quartz MoonphaseOris Aquis Date Calibre 400
Price$1,000–$1,500$2,500–$5,000
Case Size40mm41.5mm
MovementQuartz FC-206Automatic Calibre 400
Caliber TypeSwiss QuartzOris In-House Manufacture
Power ReserveBattery120 Hours (5 Days)
Water Resistance50m (5 ATM)300m (30 ATM)
CrystalAnti-Reflective Sapphire CrystalSapphire Crystal with Anti-Reflective Coating
Case MaterialStainless SteelStainless Steel
OriginSwiss MadeSwiss Made

Category-by-Category Analysis

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Design & Aesthetics

Edge: Draw

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.

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Movement & Performance

Edge: Oris

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.

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Wearability & Fit

Edge: Frederique Constant

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).

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Value & Cost of Ownership

Edge: Frederique Constant

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.

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Water Resistance

Edge: Oris

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.

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Oris

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.

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The 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

Neither is objectively better — they serve different preferences. The Frederique Constant Classic Quartz Moonphase ($1,000–$1,500) offers Quartz FC-206 with Battery power reserve, while the Oris Aquis Date Calibre 400 ($2,500–$5,000) features Automatic Calibre 400 with 300m (30 ATM) water resistance. Choose based on your priorities: Swiss Made craftsmanship vs Swiss Made engineering.
The Frederique Constant Classic Quartz Moonphase offers better upfront value, sitting a tier lower at $1,000–$1,500. However, the Oris Aquis Date Calibre 400 may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Classic Quartz Moonphase at 40mm with 50m (5 ATM) water resistance handles everyday situations. The Aquis Date Calibre 400 at 41.5mm with 300m (30 ATM) is similarly capable. The Classic Quartz Moonphase uses Anti-Reflective Sapphire Crystal while the Aquis Date Calibre 400 uses Sapphire Crystal with Anti-Reflective Coating.

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.