Longines HydroConquest HydroConquest 43 Automatic Stainless Steel - Pink Gold / Blue / Rubber

Reference L3.782.3.98.9

About this watch

The Longines HydroConquest 43 Automatic is a stunning representation of what a modern diving watch should be. With its combination of elegance, durability, and precision, it's hard to find fault with this timepiece. Its striking pink gold accents and deep blue dial create a vibrant yet sophisticated look perfect for both casual outings and more formal occasions. The watch features mixed indexes that enhance readability, while the proprietary hands are designed for precision. The rotating bezel is a functional feature designed for divers, allowing easy tracking of immersion times. At the heart of the HydroConquest is the Longines caliber L888.5, an automatic movement boasting a power reserve of 64 hours and chronometer certification. The comfortable rubber strap complements the watch's design, making it perfect for any adventure or formal occasion.
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Key Features

  • 43mm Stainless Steel Case
  • Longines Caliber L888.5 Automatic Movement
  • Chronometer Certification
  • 300M Water Resistance
  • Sapphire Glass Crystal
  • Rubber Strap with 21mm Lug Width
  • Silicon Balance Spring for Magnetic Field Resistance

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 43 Automatic Stainless Steel - Pink Gold / Blue / Rubber
Reference
L3.782.3.98.9
Movement
l888-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer
Case
43mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
[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
Active
[WTS] Longines Hydroconquest 42 mm “Green” 2026

Longines Hydroconquest 42 mm “Green” 2026

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

Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $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
Active
[WTS] New Longines HydroConquest 42mm Frosted Blue Dial

New Longines HydroConquest 42mm Frosted Blue Dial

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
Active
[WTS] Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.

  • Condition: Brand New
  • Case diameter: 41mm
  • Water resistance: 300m
  • Movement type: Calibre L844.5 automatic
Posted at
May 1, 2026, 8:25 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