Longines HydroConquest Automatic vs OLEVS Moon Phase Dress Watch
Longines's diver meets OLEVS's dress watch
Quick Verdict
The OLEVS Moon Phase Dress Watch ($100–$150) delivers Quartz (Battery) technology in the tier below the Longines HydroConquest Automatic ($1,500–$2,500). The Moon Phase Dress Watch measures mid-size and is rated for daily wear. The HydroConquest Automatic justifies its premium with Swiss Made heritage and Automatic L888.5. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Longines HydroConquest Automatic | OLEVS Moon Phase Dress Watch |
|---|---|---|
| Price | $1,500–$2,500 | $100–$150 |
| Case Size | 41mm | — |
| Movement | Automatic L888.5 | Quartz |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | Quartz (Battery) |
| Power Reserve | 72 Hours | — |
| Water Resistance | 300m (30 ATM) | — |
| Crystal | Sapphire with Anti-Reflective Coating | — |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | OLEVS |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs OLEVS's approach
The Longines HydroConquest Automatic features a Stainless Steel case at 41mm with Sapphire with Anti-Reflective Coating protection. The OLEVS Moon Phase Dress Watch offers Stainless Steel construction at mid-size with crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic L888.5 vs Quartz
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 Moon Phase Dress Watch uses the Quartz (Quartz (Battery), standard reserve) at standard. The HydroConquest Automatic edges ahead on power reserve.
Wearability & Fit
41mm vs mid-size — different wrist presence
At 41mm, the HydroConquest Automatic has a bolder wrist presence compared to the Moon Phase Dress Watch at 40mm. Water resistance differs: 300m (30 ATM) vs 50m.
Value & Cost of Ownership
OLEVS sits in the lower tier
The Longines HydroConquest Automatic sits at $1,500–$2,500 and the OLEVS Moon Phase Dress Watch at $100–$150. On the specs that outlast any price: the HydroConquest Automatic uses Sapphire with Anti-Reflective Coating with 72 Hours, against a hardened crystal and a standard reserve on the Moon Phase Dress Watch. Service intervals are typically 5-7 years for both.
Water Resistance
300m (30 ATM) vs 50m
The HydroConquest Automatic is rated to 300m (30 ATM) while the Moon Phase Dress Watch handles 50m. 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 AmazonOLEVS
Moon Phase Dress Watch
Choose the OLEVS Moon Phase Dress Watch if you value Quartz (Battery) technology, OLEVS heritage, and comfortable proportions. At $100–$150, the Quartz with ample power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Longines HydroConquest Automatic and OLEVS Moon Phase Dress Watch represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made tradition while OLEVS delivers OLEVS 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.

