Longines HydroConquest Automatic vs Oris Big Crown Pointer Date
Longines's diver meets Oris's pilot watch
Quick Verdict
The Longines HydroConquest Automatic ($1,500–$2,500) and Oris Big Crown Pointer Date ($1,500–$2,500) are closely matched timepieces at similar price points. The HydroConquest Automatic emphasizes ETA-Based Automatic with Silicon Balance Spring engineering while the Big Crown Pointer Date focuses on Swiss Made craftsmanship.
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Specifications Compared
| Feature | Longines HydroConquest Automatic | Oris Big Crown Pointer Date |
|---|---|---|
| Price | $1,500–$2,500 | $1,500–$2,500 |
| Case Size | 41mm | 40mm |
| Movement | Automatic L888.5 | Automatic Oris 754 (Sellita Base) |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | Modified Sellita Automatic |
| Power Reserve | 72 Hours | 38 Hours |
| Water Resistance | 300m (30 ATM) | 50m (5 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Sapphire (Domed, Inside AR Coating) |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Oris's approach
The Longines HydroConquest Automatic features a Stainless Steel case at 41mm with Sapphire with Anti-Reflective Coating protection. The Oris Big Crown Pointer Date offers Stainless Steel construction at 40mm with Sapphire (Domed, Inside AR Coating). Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic L888.5 vs Automatic Oris 754 (Sellita Base)
The HydroConquest Automatic runs the Automatic L888.5 (ETA-Based Automatic with Silicon Balance Spring, 72 Hours power reserve) at 25,200 vph (3.5 Hz) frequency. The Big Crown Pointer Date uses the Automatic Oris 754 (Sellita Base) (Modified Sellita Automatic, 38 Hours reserve) at 28,800 vph (4 Hz). The HydroConquest Automatic edges ahead on power reserve.
Wearability & Fit
41mm vs 40mm — different wrist presence
At 41mm, the HydroConquest Automatic has a bolder wrist presence compared to the Big Crown Pointer Date at 40mm. Water resistance differs: 300m (30 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Longines HydroConquest Automatic sits at $1,500–$2,500 and the Oris Big Crown Pointer Date at $1,500–$2,500. On the specs that outlast any price: the HydroConquest Automatic uses Sapphire with Anti-Reflective Coating with 72 Hours, against Sapphire (Domed, Inside AR Coating) and 38 Hours on the Big Crown Pointer Date. Service intervals are typically 5-7 years for both.
Water Resistance
300m (30 ATM) vs 50m (5 ATM)
The HydroConquest Automatic is rated to 300m (30 ATM) while the Big Crown Pointer Date handles 50m (5 ATM). The HydroConquest Automatic is better suited for water activities.
Materials Face-Off
| Component | Longines HydroConquest Automatic | Oris Big Crown Pointer Date |
|---|---|---|
| Ceramic Bezel | Zirconium oxide (ZrO₂) with engraved and paint-filled 60-minute dive scale Mohs 8.5 | Stainless steel 316L (standard reference); bronze (CuSn8) for 7553 reference family |
| Sapphire Crystal | Flat sapphire with anti-reflective coating on the underside Mohs 9 | Synthetic sapphire grown via Verneuil process, Mohs 9. Domed profile with inside AR coating Mohs 9 |
| Silicon Balance Spring | Si hairspring in the L888.5 caliber — introduced 2020 across the HydroConquest line | Super-LumiNova on hands and indices |
| 316L Stainless Steel | Brushed flanks with polished bevel edges — mixed finishing for visual depth | Calfskin leather with quick-release lever system |
| Super-LumiNova | Applied to sword-style hands and all hour indices | — |
Cost of Ownership Compared
The Longines HydroConquest Automatic saves you $430 over 5 years of ownership
Who Should Pick Which
Pick the Longines HydroConquest Automatic if…
- Best-in-class 72-hour power reserve at sub-$2,000
- Silicon hairspring antimagnetic protection at an accessible price
- Swiss heritage enthusiasts — Longines' 1832 founding and Olympic/aviation history
- Legitimate 300m dive capability with everyday wearability
- Value seekers — at grey-market pricing the spec-per-dollar is nearly unbeatable
Pick the Oris Big Crown Pointer Date if…
- Those who prioritize scratch resistance — sapphire crystal
- Military/field watch enthusiasts who value legibility and durability
- Heritage enthusiasts drawn to ** Oris's historical pedigree
Longines HydroConquest Automatic
- ETA-base movement at this price — excellent but not "in-house" in the purist sense
- 21mm lug width — awkward for aftermarket straps (most are 20mm or 22mm)
- 25,200 vph (3.5 Hz) — seconds hand sweep is less smooth than 28,800 vph competitors
- Not COSC-certified — no chronometer guarantee (unlike Tudor or Omega at similar prices)
Oris Big Crown Pointer Date
- Sellita SW200-1 base at this price tier — fair value but some buyers expect in-house at this price tier (the Caliber 403 variant exists at higher price for in-house)
- 41-hour reserve — modest vs. 70–80 hour competition (Hamilton H-10, Tudor MT5602, Longines L888)
- 50m water resistance — limited dress-sport spec
- Pointer date polarises — some buyers love the design distinction; others find window dates more practical for at-a-glance reading
Our Verdict
Longines
HydroConquest Automatic
Choose the Longines HydroConquest Automatic if you prioritize ETA-Based Automatic with Silicon Balance Spring engineering, Swiss Made craftsmanship, and 300m (30 ATM) water resistance. At $1,500–$2,500, it delivers Automatic L888.5 with 72 Hours power reserve.
Check Price on AmazonOris
Big Crown Pointer Date
Choose the Oris Big Crown Pointer Date if you value Modified Sellita Automatic technology, Swiss Made heritage, and 40mm proportions. At $1,500–$2,500, the Automatic Oris 754 (Sellita Base) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Longines HydroConquest Automatic and Oris Big Crown Pointer Date represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made 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.