Longines HydroConquest Automatic vs Rolex Datejust 41
Longines's diver meets Rolex's dress watch
Quick Verdict
The Longines HydroConquest Automatic ($1,500–$2,500) offers ETA-Based Automatic with Silicon Balance Spring precision in the tier below the Rolex Datejust 41 ($5,000–$10,000). The HydroConquest Automatic measures 41mm 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 | Longines HydroConquest Automatic | Rolex Datejust 41 |
|---|---|---|
| Price | $1,500–$2,500 | $5,000–$10,000 |
| Case Size | 41mm | 41mm |
| Movement | Automatic L888.5 | Automatic Caliber 3235 |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day) |
| Power Reserve | 72 Hours | 70 Hours |
| Water Resistance | 300m (30 ATM) | 100m (10 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Sapphire Crystal with Cyclops |
| Case Material | Stainless Steel | Oystersteel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Rolex's approach
The Longines HydroConquest Automatic features a Stainless Steel case at 41mm with Sapphire 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 L888.5 vs Automatic Caliber 3235
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 Datejust 41 uses the Automatic Caliber 3235 (Rolex In-House Automatic, Superlative Chronometer (-2/+2 sec/day), 70 Hours reserve) at standard. The HydroConquest Automatic edges ahead on power reserve.
Wearability & Fit
41mm vs 41mm — different wrist presence
At 41mm, the HydroConquest Automatic is similarly sized compared to the Datejust 41 at 41mm. Water resistance differs: 300m (30 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Longines sits in the lower tier
The Longines HydroConquest Automatic sits at $1,500–$2,500 and the Rolex Datejust 41 at $5,000–$10,000. On the specs that outlast any price: the HydroConquest Automatic uses Sapphire with Anti-Reflective Coating with 72 Hours, 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 HydroConquest Automatic is rated to 300m (30 ATM) while the Datejust 41 handles 100m (10 ATM). The HydroConquest Automatic is better suited for water activities.
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 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 Longines HydroConquest Automatic and Rolex Datejust 41 represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made tradition while Rolex 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.

