Head-to-Head Comparison

Frederique Constant Highlife Automatic COSC vs Oris Aquis Date Calibre 400

Frederique Constant's timepiece meets Oris's diver

Quick Verdict

The Frederique Constant Highlife Automatic COSC ($1,500–$2,500) offers COSC-Certified Automatic precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The Highlife Automatic COSC measures 41mm 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 Highlife Automatic COSC

Frederique Constant

Highlife Automatic COSC

$1,500–$2,500

Oris Aquis Date Calibre 400

Oris

Aquis Date Calibre 400

$2,500–$5,000

Specifications Compared

FeatureFrederique Constant Highlife Automatic COSCOris Aquis Date Calibre 400
Price$1,500–$2,500$2,500–$5,000
Case Size41mm41.5mm
MovementAutomatic FC-303 (COSC)Automatic Calibre 400
Caliber TypeCOSC-Certified AutomaticOris In-House Manufacture
Power Reserve38 Hours120 Hours (5 Days)
Water Resistance50m (5 ATM)300m (30 ATM)
CrystalConvex SapphireSapphire 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 Highlife Automatic COSC features a Stainless Steel case at 41mm with Convex Sapphire 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

Automatic FC-303 (COSC) vs Automatic Calibre 400

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 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

41mm vs 41.5mm — different wrist presence

At 41mm, the Highlife Automatic COSC 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 Highlife Automatic COSC sits at $1,500–$2,500 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the Highlife Automatic COSC uses Convex Sapphire with 38 Hours, 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 Highlife Automatic COSC 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.

Materials Face-Off

ComponentFrederique Constant Highlife Automatic COSCOris Aquis Date Calibre 400
Case alloy

Stainless steel 316L (medical-grade, composition Cr 16–18%, Ni 10–14%, Mo 2–3%).

Oris Caliber 733

Crystal

Synthetic sapphire grown via Verneuil process, Mohs 9. Convex (domed) profile. Anti-reflective coating.

Mohs 9

Domed sapphire with anti-reflective coating on inside

Lume specification

Super-LumiNova on the hands and markers. Grade and glow duration are not published by the manufacturer for this reference, so neither is claimed here.

Stainless steel 316L (brushed and polished)

Bracelet alloy

Stainless steel 316L matching the case.

Unidirectional rotating, scratch-resistant ceramic insert with 60-min dive scale and lume pip

Rubber strap

Texture-molded synthetic rubber (FKM-grade), color-matched to dial variant.

Cost of Ownership Compared

1 yr5 yr10 yr
Frederique Constant Highlife Automatic COSC$3,562
$1.95/day
Purchase: $2,895Service: $450Insurance: $217
Oris Aquis Date Calibre 400$2,873
$1.57/day
Purchase: $2,300Service: $400Insurance: $173

The Oris Aquis Date Calibre 400 saves you $689 over 5 years of ownership

Who Should Pick Which

Pick the Frederique Constant Highlife Automatic COSC if…

  • Accuracy-minded buyers — COSC chronometer certification guarantees precision
  • Those who prioritize scratch resistance — sapphire crystal
  • Heritage enthusiasts drawn to ** Frederique Constant's historical pedigree

Pick the Oris Aquis Date Calibre 400 if…

  • Dive watch enthusiasts — 300m water resistance is proper dive spec
  • Those who prioritize scratch resistance — sapphire crystal
  • Dive watch collectors who appreciate proper ISO-rated tool watches
  • Buyers who prefer a commanding wrist presence — 43mm case

Frederique Constant Highlife Automatic COSC

  • Brand recognition below heritage Swiss brands — Longines (1832), Omega, Tudor have stronger name recognition. FC (1988 founding) is a younger brand without the same cultural footprint despite genuine horological credentials.
  • 50m water resistance — limited dress-sport spec; not for serious water sports
  • Sellita SW200-1 base at a $2,500–$5,000 band retail — fair value with COSC paperwork but some buyers expect in-house at this price tier
  • 38-hour power reserve — modest vs. 70–80 hour Powermatic 80 / Tudor MT5402 / Longines L888 competition

Oris Aquis Date Calibre 400

  • Sellita base movement at this price — fair value but not in-house prestige (Caliber 400 variants resolve).
  • 43.5mm large for smaller wrists (smaller variants available).
  • Proprietary endlinks limit strap options.

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.

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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 Highlife Automatic COSC 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 Highlife Automatic COSC ($1,500–$2,500) offers Automatic FC-303 (COSC) with 38 Hours 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 Highlife Automatic COSC offers better upfront value, sitting a tier lower at $1,500–$2,500. 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 Highlife Automatic COSC at 41mm 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 Highlife Automatic COSC uses Convex Sapphire 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.