Longines HydroConquest Automatic vs Timex Marlin Automatic 40mm
Longines's diver meets Timex's timepiece
Quick Verdict
The Timex Marlin Automatic 40mm ($250–$500) delivers Miyota Automatic technology in the tier below the Longines HydroConquest Automatic ($1,500–$2,500). The Marlin Automatic 40mm measures 40mm and is rated 30m (3 ATM). 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 | Timex Marlin Automatic 40mm |
|---|---|---|
| Price | $1,500–$2,500 | $250–$500 |
| Case Size | 41mm | 40mm |
| Movement | Automatic L888.5 | Automatic Miyota 8205 |
| Caliber Type | ETA-Based Automatic with Silicon Balance Spring | Miyota Automatic |
| Power Reserve | 72 Hours | 40 Hours |
| Water Resistance | 300m (30 ATM) | 30m (3 ATM) |
| Crystal | Sapphire with Anti-Reflective Coating | Mineral Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan (Movement) |
Category-by-Category Analysis
Design & Aesthetics
Longines's design language vs Timex's approach
The Longines HydroConquest Automatic features a Stainless Steel case at 41mm with Sapphire with Anti-Reflective Coating protection. The Timex Marlin Automatic 40mm offers Stainless Steel construction at 40mm with Mineral Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic L888.5 vs Automatic Miyota 8205
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 Marlin Automatic 40mm uses the Automatic Miyota 8205 (Miyota Automatic, 40 Hours reserve) at 21,600 vph (3 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 Marlin Automatic 40mm at 40mm. Water resistance differs: 300m (30 ATM) vs 30m (3 ATM).
Value & Cost of Ownership
Timex sits in the lower tier
The Longines HydroConquest Automatic sits at $1,500–$2,500 and the Timex Marlin Automatic 40mm at $250–$500. On the specs that outlast any price: the HydroConquest Automatic uses Sapphire with Anti-Reflective Coating with 72 Hours, against Mineral Crystal and 40 Hours on the Marlin Automatic 40mm. Service intervals are typically 5-7 years for both.
Water Resistance
300m (30 ATM) vs 30m (3 ATM)
The HydroConquest Automatic is rated to 300m (30 ATM) while the Marlin Automatic 40mm handles 30m (3 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 AmazonTimex
Marlin Automatic 40mm
Choose the Timex Marlin Automatic 40mm if you value Miyota Automatic technology, Made in Japan (Movement) heritage, and 40mm proportions. At $250–$500, the Automatic Miyota 8205 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Longines HydroConquest Automatic and Timex Marlin Automatic 40mm represent two distinct approaches to fine watchmaking — the Longines bringing Swiss Made tradition while Timex delivers Made in Japan (Movement) 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.