
Longines
HydroConquest 41
Ref. L3.781.4.96.6
New Price
$1k–$2k
Pre-owned: $900–$1k
Comparing the Longines HydroConquest 41 ($1k–$2k, 300m WR, 41mm) against the Rolex Datejust 36 ($7k–$8k, 100m WR, 36mm) — specs, movement, community votes, and an expert verdict below. The Longines HydroConquest 41 is the more affordable option by $6k.
Our Verdict
Too Close to Call
Both the Longines HydroConquest 41 and Rolex Datejust 36 are excellent choices — the winner depends on your priorities, budget, and style preference.
Complete head-to-head comparison

Longines
Ref. L3.781.4.96.6
New Price
$1k–$2k
Pre-owned: $900–$1k

Rolex
Ref. 126200
New Price
$7k–$8k
Pre-owned: $7k–$10k
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All Rolex watches, comparisons, and guides in one place
Visit Rolex Pillar Page →Longines HydroConquest 41 is the value winner at $1k–$2k — over 50% cheaper than the Rolex Datejust 36 ($7k–$8k). Choose Longines HydroConquest 41 (300m WR) for diving; Rolex Datejust 36 (100m) suits everyday wear. Case size: Longines HydroConquest 41 at 41mm suits larger wrists; Rolex Datejust 36 at 36mm is the more compact option.
Pros
Pros
Both are excellent watches with different strengths. The Longines HydroConquest 41 offers a larger case and costs less new. The Rolex Datejust 36 excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.
The Longines HydroConquest 41 retails for $1k–$2k, while the Rolex Datejust 36 is priced at $7k–$8k. Pre-owned, expect $900–$1k and $7k–$10k respectively. Actual secondary market prices vary based on condition and demand.
The Longines HydroConquest 41 has a 41mm case diameter with 12mm thickness, while the Rolex Datejust 36 measures 36mm × 11.9mm. Both have lug-to-lug measurements of 49mm and 44mm respectively. Consider your wrist size and wear style when deciding.
The Longines HydroConquest 41 is water-resistant to 300m, while the Rolex Datejust 36 offers 100m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.
The Longines HydroConquest 41 uses a automatic L888.4 with 72 hours power reserve. The Rolex Datejust 36 features a automatic Cal. 3235 with 70 hours power reserve. Both offer traditional mechanical craftsmanship.
Longines and Rolex both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $900–$1k for the HydroConquest 41 and $7k–$10k for the Datejust 36. Condition, service history, and box/papers significantly impact resale value for both models.
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The only watch worn on the Moon. The Speedmaster was NASA-qualified in 1965 and accompanied every Apollo mission.
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Rolex's sister brand, delivering in-house movements at 30–60% lower retail prices than its parent.
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Motorsport's official timekeeper for over 50 years — TAG Heuer has timed Formula 1, Le Mans, and the Monaco Grand Prix.
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