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

Reference L3.783.4.96.9

About this watch

The Longines HydroConquest L3.783.4.96.9 is a stunning example of what a modern luxury watch should be. With its robust design, impressive movement, and practical features, it truly stands out in the crowded watch market. The blend of stainless steel and ceramic gives it a modern yet timeless feel, appealing to a wide range of personal styles. The case of the HydroConquest is a perfect blend of durability and style, crafted from high-quality stainless steel with a 41mm diameter. The blue sunburst dial adds a contemporary twist, while the proprietary hands are designed for legibility. The rotating bezel serves a practical purpose for divers, tracking elapsed time underwater with a 0-60 scale. The rubber strap enhances comfort and flexibility, ensuring the watch remains secure on your wrist. At the core of the HydroConquest is the Longines caliber L688.2, an automatic chronograph movement that boasts impressive features, including 27 jewels, a 54-hour power reserve, and a frequency of 28,800 vibrations per hour. The inclusion of a date function adds to the watch's overall balanced aesthetic, making it easy to read and use. With a water resistance of up to 300 meters, this watch is designed for diving enthusiasts who need a reliable timepiece that can withstand underwater exploration.
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Key Features

  • 41mm stainless steel case
  • Blue sunburst dial with proprietary hands
  • Rotating ceramic bezel with 0-60 scale
  • Rubber strap for comfort and flexibility
  • Longines caliber L688.2 automatic chronograph movement
  • 27 jewels, 54-hour power reserve, and 28,800 vibrations per hour
  • Date function at the 6 o'clock mark

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Blue / Rubber
Reference
L3.783.4.96.9
Movement
l688-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
[WTS] Longines Hydroconquest 41mm Blue - $850

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850
A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

  • Condition: Excellent with light signs of wear
  • Case size: 41mm diameter
  • Bezel material: Ceramic
  • Bracelet condition: Light scuffs on the clasp
Posted at
Feb 11, 2026, 1:00 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