OLEVS Moon Phase Dress Watch vs Oris Aquis Date Calibre 400
OLEVS's dress watch meets Oris's diver
Quick Verdict
The OLEVS Moon Phase Dress Watch ($100–$150) offers Quartz (Battery) precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The Moon Phase Dress Watch measures mid-size and is rated for daily wear. 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 | OLEVS Moon Phase Dress Watch | Oris Aquis Date Calibre 400 |
|---|---|---|
| Price | $100–$150 | $2,500–$5,000 |
| Case Size | — | 41.5mm |
| Movement | Quartz | Automatic Calibre 400 |
| Caliber Type | Quartz (Battery) | Oris In-House Manufacture |
| Power Reserve | — | 120 Hours (5 Days) |
| Water Resistance | — | 300m (30 ATM) |
| Crystal | — | Sapphire Crystal with Anti-Reflective Coating |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | OLEVS | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
OLEVS's design language vs Oris's approach
The OLEVS Moon Phase Dress Watch features a Stainless Steel case at mid-size with 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 vs Automatic Calibre 400
The Moon Phase Dress Watch runs the Quartz (Quartz (Battery), standard 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
Mid-size vs 41.5mm — different wrist presence
At 40mm, the Moon Phase Dress Watch wears more compactly on smaller wrists compared to the Aquis Date Calibre 400 at 41.5mm. Water resistance differs: 50m vs 300m (30 ATM).
Value & Cost of Ownership
OLEVS sits in the lower tier
The OLEVS Moon Phase Dress Watch sits at $100–$150 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the Moon Phase Dress Watch uses a hardened crystal with a standard reserve, 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 vs 300m (30 ATM)
The Moon Phase Dress Watch is rated to 50m while the Aquis Date Calibre 400 handles 300m (30 ATM). The Aquis Date Calibre 400 offers superior water resistance.
Our Verdict
OLEVS
Moon Phase Dress Watch
Choose the OLEVS Moon Phase Dress Watch if you prioritize Quartz (Battery) engineering, OLEVS craftsmanship, and reliable water resistance. At $100–$150, it delivers Quartz with solid 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 OLEVS Moon Phase Dress Watch and Oris Aquis Date Calibre 400 represent two distinct approaches to fine watchmaking — the OLEVS bringing OLEVS 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.

