Oris Aquis Date Calibre 400 vs Rolex Datejust 41
Oris's diver meets Rolex's dress watch
Quick Verdict
The Oris Aquis Date Calibre 400 ($2,500–$5,000) offers Oris In-House Manufacture precision in the tier below the Rolex Datejust 41 ($5,000–$10,000). The Aquis Date Calibre 400 measures 41.5mm and is rated 300m (30 ATM). The Datejust 41 counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Oris Aquis Date Calibre 400 | Rolex Datejust 41 |
|---|---|---|
| Price | $2,500–$5,000 | $5,000–$10,000 |
| Case Size | 41.5mm | 41mm |
| Movement | Automatic Calibre 400 | Automatic Caliber 3235 |
| Caliber Type | Oris In-House Manufacture | Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) |
| Power Reserve | 120 Hours (5 Days) | 70 Hours |
| Water Resistance | 300m (30 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal with Anti-Reflective Coating | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Oystersteel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Oris's design language vs Rolex's approach
The Oris Aquis Date Calibre 400 features a Stainless Steel case at 41.5mm with Sapphire Crystal with Anti-Reflective Coating protection. The Rolex Datejust 41 offers Oystersteel construction at 41mm with Sapphire Crystal with Cyclops. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Calibre 400 vs Automatic Caliber 3235
The Aquis Date Calibre 400 runs the Automatic Calibre 400 (Oris In-House Manufacture, 120 Hours (5 Days) power reserve) at 28,800 vph (4 Hz) frequency. The Datejust 41 uses the Automatic Caliber 3235 (Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day), 70 Hours reserve) at standard. The Aquis Date Calibre 400 edges ahead on power reserve.
Wearability & Fit
41.5mm vs 41mm — different wrist presence
At 41.5mm, the Aquis Date Calibre 400 has a bolder wrist presence compared to the Datejust 41 at 41mm. Water resistance differs: 300m (30 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Oris sits in the lower tier
The Oris Aquis Date Calibre 400 sits at $2,500–$5,000 and the Rolex Datejust 41 at $5,000–$10,000. On the specs that outlast any price: the Aquis Date Calibre 400 uses Sapphire Crystal with Anti-Reflective Coating with 120 Hours (5 Days), against Sapphire Crystal with Cyclops and 70 Hours on the Datejust 41. Service intervals are typically 5-7 years for both.
Water Resistance
300m (30 ATM) vs 100m (10 ATM)
The Aquis Date Calibre 400 is rated to 300m (30 ATM) while the Datejust 41 handles 100m (10 ATM). The Aquis Date Calibre 400 is better suited for water activities.
Our Verdict
Oris
Aquis Date Calibre 400
Choose the Oris Aquis Date Calibre 400 if you prioritize Oris In-House Manufacture engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At $2,500–$5,000, it delivers Automatic Calibre 400 with 120 Hours (5 Days) power reserve.
Check Price on AmazonRolex
Datejust 41
Choose the Rolex Datejust 41 if you value Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) technology, Swiss Made heritage, and 41mm proportions. At $5,000–$10,000, the Automatic Caliber 3235 with 70 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Oris Aquis Date Calibre 400 and Rolex Datejust 41 represent two distinct approaches to fine watchmaking — the Oris bringing Swiss Made tradition while Rolex delivers Swiss Made engineering.
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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.