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 🚢

A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.

  • Condition: Good (light scratches)
  • Case size: 41mm
  • Material: two tone yellow gold PVD
  • Movement: quartz
Posted at
May 10, 2026, 5:48 PM
Active
[WTS] Longines Hydroconquest 43mm (updated pictures)

Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260
This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

  • Condition: Fantastic, worn 4-6 times
  • Case size: 43mm
  • Lug to lug: 53mm
  • Thickness: 11.90mm
Posted at
May 9, 2026, 4:10 PM
Active
[WTS] (brand new) Longines HydroConquest 39mm - $1800 shipped

(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800
This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

  • Condition: Unworn
  • Case material: stainless steel
  • Bracelet material: stainless steel
  • Water resistance: 300m
Posted at
May 9, 2026, 1:11 PM
Active
[WTS] 2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set

2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set

Longines - L3.779.4.56.6 · $1,900
The newly redesigned Longines HydroConquest in the highly sought-after 39mm size, featuring a refined dial and upgraded bracelet.

  • Condition: Excellent Used Condition
  • Size: 39mm diameter
  • Thickness: ~11.9mm
  • Lug-to-lug length: 47mm
Posted at
May 7, 2026, 8:43 PM
Active
[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
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines Hydroconquest Quartz Two Tone 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