Longines HydroConquest HydroConquest 41 Automatic Stainless Steel - Yellow Gold / Black / Bracelet

Reference L3.781.3.56.7

Longines HydroConquest 41 Automatic Stainless Steel - Yellow Gold / Black / Bracelet

About this watch

The Longines HydroConquest L3.781.3.56.7 is a masterpiece of watchmaking, blending elegance and functionality with its sleek design and impressive technical specifications. At the heart of this exceptional timepiece is the Longines caliber L888.5 automatic movement, offering hours, minutes, seconds, and date functions with a 64-hour power reserve. The watch features a striking black ceramic bezel with a rotating dive scale from 0 to 60, adding to its sporty aesthetic and functionality. Protected by a sapphire crystal, this robust timepiece is perfect for both diving adventures and everyday elegance. With its luxurious details and quality craftsmanship, the HydroConquest 41 truly stands out in a crowd, making it a worthy addition to any watch collection.
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Key Features

  • Automatic Longines caliber L888.5 movement
  • Stunning black ceramic bezel with rotating dive scale (0-60)
  • Durable sapphire crystal protection
  • Exceptional water resistance of 300m
  • Robust stainless steel construction with gold PVD coating
  • Luminous hands and markers for enhanced visibility
  • Certified chronometer meeting highest precision standards

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel - Yellow Gold / Black / Bracelet
Reference
L3.781.3.56.7
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 43mm - $950

Longines Hydroconquest 43mm - $950

Longines - Hydroconquest 43mm · $950
This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

  • Condition: Great condition
  • Depth rating: 200m
Posted at
Aug 21, 2025, 12:02 AM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999
a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

  • Case Material: steel and rose gold PVD
  • Water Resistance: 39mm diameter
Posted at
Aug 18, 2025, 9:52 PM
Active
View listing on r/WatchExchange
[WTS] Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240
This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

  • Condition: Like new/never worn
  • Case size: 41mm diameter
  • Water resistance: 30 bar
  • Crystal material: scratch-resistant sapphire crystal
Posted at
Aug 18, 2025, 7:39 PM
Active
View listing on r/WatchExchange
[WTS] For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial.

For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial.

Posted at
Aug 16, 2025, 7:17 AM
Active
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[WTS] Longines Hydroconquest Quartz 39mm - Very good condition - $500 shipped in US

Longines Hydroconquest Quartz 39mm - Very good condition - $500 shipped in US

Posted at
Aug 14, 2025, 7:47 PM
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[WTS] Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines - Hydroconquest GMT Black 41mm · $1,850
41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.

  • Condition: Excellent
  • Case size: 41mm
  • Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap
Posted at
Aug 11, 2025, 4:30 PM
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Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.

  • Condition: Excellent Condition
  • Case Diameter: 41mm
  • Thickness: 11.9mm
  • Bezel Type: Unidirectional rotating Green Ceramic
Posted at
Feb 5, 2025, 2:47 AM
Active
View listing on RolexForums