Longines HydroConquest HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Grey / Rubber

Reference L3.783.4.76.9

About this watch

The Longines HydroConquest 41 Automatic Chronograph is a timepiece that perfectly marries style with substance, featuring an automatic chronograph movement powered by the Longines caliber L688.2, with a frequency of 28,800 vibrations per hour and a power reserve of 54 hours. The watch boasts a stainless steel case, rotating ceramic bezel, and sapphire crystal glass, with a water resistance of 300 meters. Its robust features make it ideal for adventurers, while its aesthetic appeal caters to those who enjoy a sophisticated appearance.
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Key Features

  • Longines caliber L688.2 automatic movement
  • Stainless steel case with rotating ceramic bezel
  • Sapphire crystal glass with 300m water resistance
  • 41mm diameter and 21mm lug width
  • Mixed indexes for easy readability
  • Automatic chronograph functionality
  • 54-hour power reserve

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Grey / Rubber
Reference
L3.783.4.76.9
Movement
l688-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] CHRISTMAS SPECIAL Longines Hydroconquest L3.742.4 Automatic 41mm Diver $650 OBO

CHRISTMAS SPECIAL Longines Hydroconquest L3.742.4 Automatic 41mm Diver $650 OBO

Longines - L3.742.4 · $650
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well with no issues.

  • Condition: Good overall with minor scratches and wear
  • Case size: 41mm diameter
  • Movement type: Automatic
Posted at
Dec 25, 2025, 1:57 PM
Active
[WTS] Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines - L3.742.4 · $700
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well and runs smoothly.

  • Condition: Good overall, with minor scratches on the bezel and case
  • Case Size: 41mm diameter
  • Movement Type: automatic
Posted at
Dec 24, 2025, 11:07 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099
This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

  • Condition: Mint on OEM rubber strap
  • Model size: 41mm diameter
  • Case material: two tone
  • Bezel type: ceramic
Posted at
Dec 22, 2025, 10:59 PM
Active
[WTS] Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850
This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

  • Condition: 9.5/10
  • Case size: 40mm
Posted at
Dec 18, 2025, 9:49 PM
Active
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