Longines HydroConquest HydroConquest 41 Quartz Stainless Steel / Yellow Gold / Black / Bracelet

Reference L3.740.3.56.7

About this watch

The Longines HydroConquest 41 Quartz is a masterful blend of elegance and functionality, designed for those who appreciate adventure without sacrificing style. With its sleek black dial, striking PVD gold accents, and round case measuring 39.00 mm in diameter, this watch stands out as an eye-catcher. The stainless steel construction and scratch-resistant sapphire glass ensure durability and readability, while the secure clasp and well-crafted links of the bracelet provide a seamless flow that complements the overall design. Powered by the reliable Longines caliber L157 movement, this quartz timepiece offers unmatched accuracy and reliability, making it perfect for those who want a watch that always tells the right time without the need for winding. With its impressive water resistance of 300 meters, rotating bezel, and date display, the HydroConquest is not just a stylish accessory but also a functional tool. Its mixed indexes and proprietary hands provide a unique visual appeal that sets it apart from typical diving watches, making it suitable for both formal and casual occasions.
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Key Features

  • 39mm stainless steel case with PVD gold coating
  • Scratch-resistant sapphire crystal glass
  • 300-meter water resistance
  • Rotating bezel marked 0-60
  • Date display
  • Quartz movement (Longines caliber L157)
  • Stainless steel bracelet with secure clasp

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Quartz Stainless Steel / Yellow Gold / Black / Bracelet
Reference
L3.740.3.56.7
Movement
l157
Movement Features
  • Hours, Seconds, Minutes
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest Blue 39mm - $1150

Longines Hydroconquest Blue 39mm - $1150

Longines - Hydroconquest · $1,150
A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

  • Condition: Great condition
  • Year purchased: 2025
  • Warranty duration: 5 years
Posted at
Mar 1, 2026, 8:14 PM
Active
[WTS] Longines Hydroconquest 41mm Two Tone

Longines Hydroconquest 41mm Two Tone

A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.

  • Condition: Very Good Pre Owned Condition
  • Diameter: 41mm
Posted at
Feb 27, 2026, 3:34 PM
Active
[WTS] Longines HydroConquest GMT 41mm L3.790.4

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

  • Bracelet Length: 6.5 inches
  • Case Size: 41mm
Posted at
Feb 19, 2026, 5:35 PM
Active
[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

  • Condition: very good
  • Case size: 43mm diameter
  • Case wear: normal wear consistent with careful use
Posted at
Feb 18, 2026, 4:40 PM
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

  • Condition: Used with signs of wear
  • Case diameter: 41 mm
  • Water resistance: 300m / 30 bar
  • Movement: Longines Calibre L888 series with 72hr power reserve
Posted at
Feb 16, 2026, 4:12 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