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.

Longines HydroConquest 41vsRolex Datejust 36

Complete head-to-head comparison

🤿Best for diving💰Best value
Longines HydroConquest 41 official product image

Longines

HydroConquest 41

Ref. L3.781.4.96.6

New Price

$1k–$2k

Pre-owned: $900–$1k

Case41mm Stainless Steel
Thickness12mm
Movementautomatic
Water Resistance300m
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Rolex Datejust 36 official product image

Rolex

Datejust 36

Ref. 126200

New Price

$7k–$8k

Pre-owned: $7k–$10k

Case36mm Oystersteel
Thickness11.9mm
Movementautomatic
Water Resistance100m
No reviews yet
View Full Specs →
PriceHydroConquest 41 cheaper
H2OHydroConquest 41 (300m)
ScoreHydroConquest 41 (8/10)
RepurchaseHydroConquest 41 (80%)

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Quick Verdict

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.

HydroConquest 41Internet Community RatingDatejust 36
50%50%
🗳️WatchVsWatch Community Vote
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Pros & Cons

Longines HydroConquest 41

Pros

  • 72-hour power reserve
  • 300m water resistance
  • Reliable automatic movement
  • Sapphire crystal
  • Durable stainless steel case

Rolex Datejust 36

Pros

  • 70-hour power reserve
  • Reliable automatic movement
  • Sapphire crystal

Specifications Compared

HydroConquest 41
Datejust 36
Case Diameter
HydroConquest 41
41mm
Datejust 36
36mm
Case Thickness
HydroConquest 41
12mm
Datejust 36
11.9mm
Lug Width
HydroConquest 41
21mm
Datejust 36
20mm
Lug-to-Lug
HydroConquest 41
49mm
Datejust 36
44mm
Movement
HydroConquest 41
automatic
Datejust 36
automatic
Caliber
HydroConquest 41
L888.4
Datejust 36
Cal. 3235
Power Reserve
HydroConquest 41
72h
Datejust 36
70h
Water Resistance
HydroConquest 41
300m
Datejust 36
100m
Crystal
HydroConquest 41
sapphire
Datejust 36
sapphire
Case Material
HydroConquest 41
Stainless Steel
Datejust 36
Oystersteel
Bracelet/Strap
HydroConquest 41
Stainless Steel
Datejust 36
Oystersteel Jubilee
Price (New)
HydroConquest 41
$1k–$2k
Datejust 36
$7k–$8k
Price (Pre-owned)
HydroConquest 41
$900–$1k
Datejust 36
$7k–$10k
Style
HydroConquest 41
dive, sport
Datejust 36
dress, casual, luxury

Frequently Asked Questions

Which is better: Longines HydroConquest 41 or Rolex Datejust 36?

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.

What's the price difference?

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.

How do the case sizes compare?

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.

Which has better water resistance?

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.

How do the movements compare?

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.

Which holds value better?

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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