Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Black / Bracelet

Reference L3.781.4.56.6

About this watch

When it comes to timepieces that combine functionality, style, and Swiss craftsmanship, the Longines HydroConquest 41 Automatic is a standout choice. Designed for those who appreciate both elegance and ruggedness, this watch is a perfect companion for diving enthusiasts and watch collectors alike. At the heart of the HydroConquest is the Longines caliber L888.2, an automatic movement that boasts impressive features: 300 meters water resistance, 65-hour power reserve, and 25,200 vibrations per hour. The HydroConquest's design is both striking and practical, with a diameter of 41.00 mm, stainless steel construction, and a rotating dive bezel with a 0-60 scale. Its black dial exudes sophistication, with mixed indexes and proprietary hands adding an element of uniqueness. Whether you're at a fancy dinner or exploring underwater, this watch maintains its elegance. The Longines HydroConquest 41 Automatic is perfect for a diverse audience, suitable for various occasions from casual outings to formal events.
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Key Features

  • Automatic movement with 25,200 vibrations per hour
  • 300 meters water resistance (30 ATM)
  • 65-hour power reserve
  • Stainless steel construction and closed case back
  • Sapphire crystal glass for scratch-resistance
  • Rotating dive bezel with a 0-60 scale
  • Black dial with mixed indexes and proprietary hands

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Ceramic / Black / Bracelet
Reference
L3.781.4.56.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest, Black & Rose Gold, Rubber Strap

Longines Hydroconquest, Black & Rose Gold, Rubber Strap

The Longines Hydroconquest features a black rubber strap, uni-directional rotating ceramic bezel, and date display at the 3 o'clock position.

  • Condition: Gently used, minor wear and tear
  • Water Resistance Depth: 300m
  • Case Size: 43mm
  • Movement Jewels: 21
Posted at
Jun 23, 2025, 6:59 PM
Active
[Wts] Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK

Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK

Longines - L3.780.3.78.6 · $1,000
A Longines Hydroconquest 39mm watch, reference L3.780.3.78.6, features a chronometer movement (l888.4) and is in excellent timekeeping condition.

  • Condition: mint condition
  • Movement: L888.4 chronometer version
  • Warranty: almost 3 years remaining
  • Shipping: fully insured special delivery
Posted at
Jun 22, 2025, 5:59 AM
Active
Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6

Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6

Longines - L3.890.4.56.6 · $2,099.002
Pre-owned Longines Hydroconquest GMT watch in 43mm stainless steel case with automatic movement, black dial, and 300m water resistance.

  • Condition: 95% condition, faint marks on the sides and back of the case; 91% condition, slight marks on the links and clasp for the bracelet
  • Case size: 43mm diameter
  • Water resistance: 300m depth rating
  • Material: Stainless Steel
Posted at
Jun 20, 2025, 9:54 PM
Active
[WTS] Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap

Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap

Longines - L3.781.3.58.9 · $1,199
This Longines Hydroconquest features a silver-tone stainless steel case with a black rubber strap, uni-directional rotating black ceramic bezel, and a black dial with rose gold-tone hands and index hour markers.

  • Condition: Gently used with minor wear and tear, polishable
  • Case size: 43mm diameter
  • Water resistance: 300m / 1000ft depth rating
  • Movement: Longines Calibre L888 Automatic movement
Posted at
Jun 16, 2025, 2:47 PM
Active
[WTS] Longines Hydroconquest GMT, Excellent Condition, Box and papers

Longines Hydroconquest GMT, Excellent Condition, Box and papers

Longines - L3.790.4.56.6 · $1,850
This Longines Hydroconquest GMT features a stainless steel case with black dial and ceramic bezel, housed on a stainless-steel bracelet. It has a screw-down back and crown, with a unidirectional notched bezel in black ceramic.

  • Condition: Excellent condition
  • Case size: 41mm diameter
Posted at
Jun 16, 2025, 1:42 PM
Active
Longines Hydroconquest Automatic

Longines Hydroconquest Automatic

The Longines Hydroconquest is a comfortable and reliable automatic watch. It features a 41mm case size with a blue aluminum bezel and dial.

  • Condition: Pre-owned, has been worn
  • Case Size: 41mm
  • Bezel Fade: yes, but lines up properly
  • Wrist Size Fit: 7 7/8 inch wrist
Posted at
Jun 14, 2025, 3:19 PM
Active