Boyarca Pilot Automatic vs Oris Aquis Date Calibre 400
Boyarca's timepiece meets Oris's diver
Quick Verdict
The Boyarca Pilot Automatic ($50–$100) offers Automatic (Japan) precision in the tier below the Oris Aquis Date Calibre 400 ($2,500–$5,000). The Pilot Automatic 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 | Boyarca Pilot Automatic | Oris Aquis Date Calibre 400 |
|---|---|---|
| Price | $50–$100 | $2,500–$5,000 |
| Case Size | — | 41.5mm |
| Movement | Japanese Automatic | Automatic Calibre 400 |
| Caliber Type | Automatic (Japan) | 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 | Boyarca (Japanese movement) | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Boyarca's design language vs Oris's approach
The Boyarca Pilot Automatic 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
Japanese Automatic vs Automatic Calibre 400
The Pilot Automatic runs the Japanese Automatic (Automatic (Japan), 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 Pilot Automatic 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
Boyarca sits in the lower tier
The Boyarca Pilot Automatic sits at $50–$100 and the Oris Aquis Date Calibre 400 at $2,500–$5,000. On the specs that outlast any price: the Pilot Automatic 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 Pilot Automatic 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
Boyarca
Pilot Automatic
Choose the Boyarca Pilot Automatic if you prioritize Automatic (Japan) engineering, Boyarca (Japanese movement) craftsmanship, and reliable water resistance. At $50–$100, it delivers Japanese Automatic 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 Boyarca Pilot Automatic and Oris Aquis Date Calibre 400 represent two distinct approaches to fine watchmaking — the Boyarca bringing Boyarca (Japanese movement) 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.