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

Reference L3.783.4.96.9

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

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 43mm L3.782.4.56.6-3 weeks owned.

Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.

Longines - L3.782.4.56.6 · $1,350
A Longines Hydroconquest 43mm watch on a black dial with a stainless steel bracelet, now on an Ali Rubber strap.

  • Condition: Mint condition, worn approximately 5 times
  • Case size: 43mm diameter
  • Lug to lug: 53mm
  • Thickness: 11.90mm
Posted at
May 7, 2026, 4:43 AM
Active
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[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600
This Longines Hydroconquest is a 41mm two-tone diver's watch with a quartz movement.

  • Condition: Used with light scratches
  • Size: 41mm diameter
Posted at
May 6, 2026, 9:43 PM
Active
View listing on r/WatchExchange
[WTS] 2025 Longines Hydroconquest 41mm Ref: L37814056

2025 Longines Hydroconquest 41mm Ref: L37814056

Longines - L37814056 · $1,300
This listing is for a 2025 Longines Hydroconquest 41mm watch, featuring an automatic self-winding caliber L888.5, unidirectional green ceramic bezel, and 300M water resistance.

  • Condition: Like new with some minor marks on the bracelet and buckle
  • Case size: 41mm
  • Bracelet type: Stainless steel
  • Water resistance: 300m depth rating
Posted at
May 6, 2026, 8:37 PM
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[WTS] Longines Hydroconquest 42 mm “Green” 2026

Longines Hydroconquest 42 mm “Green” 2026

Longines - Hydroconquest 42mm · $1,800
Up for sale is one of my new Longines Hydroconquest 42mm watches, I purchased several but find myself gravitating towards other models.

  • Condition: New
  • Case size: 42mm diameter
Posted at
May 6, 2026, 7:28 PM
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[WTS] (Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn

(Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn

Longines - L3.779.4.09.9 · $2,650
This is a Limited Edition Hydroconquest Commonwealth Games watch from Longines, purchased brand new from an authorized dealer and still under warranty.

  • Case diameter: 39mm
  • Box condition: great condition with exception of price sticker on outer box
Posted at
May 6, 2026, 5:30 PM
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[WTS] Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995

Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995

Longines - HydroConquest 2026 Model · $1,995
A Longines HydroConquest with a black dial and steel bracelet for sale. It's the latest iteration from 2026, purchased recently but only worn once to a wedding.

  • Condition: Near mint, worn once
  • Case size: 39mm
  • Movement: Automatic
Posted at
May 4, 2026, 12:18 PM
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[WTS] New Longines HydroConquest 42mm Frosted Blue Dial

New Longines HydroConquest 42mm Frosted Blue Dial

Longines - HydroConquest 42mm · $2,100
A brand new Longines HydroConquest with a frosted blue dial in 42mm size.

  • Condition: new
  • Case size: 42mm
  • Diameter: 42mm
Posted at
May 3, 2026, 1:20 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