Longines HydroConquest HydroConquest 47.5 Chronograph Quartz Stainless Steel / Black / Bracelet

Reference L3.843.4.56.6

About this watch

The Longines HydroConquest 47.5 Chronograph Quartz is an exceptional watch that encapsulates the essence of what a diving watch should be. With its robust design, precision movement, and versatile style, it caters to various lifestyles and preferences. The first time you lay eyes on the HydroConquest 47.5, you can’t help but be impressed by its bold presence. With a diameter of 47.5 mm, it commands attention on the wrist. The black dial pops against the stainless steel case, creating a striking contrast that’s both elegant and sporty. The watch features a chronograph function with remarkable accuracy—up to 1/100th of a second. Its quartz movement is a marvel of engineering, operating at a frequency of 32,768 Hz, ensuring unparalleled accuracy. With a water resistance of 300 meters, the HydroConquest is designed for serious diving and can withstand underwater pressures. The stainless steel construction provides a sleek look while withstanding scratches and impacts.
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Key Features

  • 47.5mm diameter case
  • Stainless steel construction with polished finish
  • Black dial with stick and dot indexes for excellent legibility
  • Rotating bezel marked from 0-60 for diving enthusiasts
  • Quartz movement operating at 32,768 Hz frequency
  • Chronograph function with accuracy up to 1/100th of a second
  • Water resistance up to 300 meters

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 47.5 Chronograph Quartz Stainless Steel / Black / Bracelet
Reference
L3.843.4.56.6
Movement
l440-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Rattrapante
Case
Stainless Steel 47.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

  • Condition: Like new in box
  • Diameter: 41mm
  • Bezel material: blue ceramic
Posted at
Oct 18, 2025, 8:33 AM
Active
[WTS] Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

  • Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
  • Warranty Valid Until: October 2029
  • Size: 39mm
Posted at
Oct 16, 2025, 5:22 PM
Active
[WTS] Longines Hydroconquest 41

Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380
The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

  • Condition: essentially unworn
  • Shipping: CONUS only
Posted at
Oct 15, 2025, 8:12 PM
Active
[WTS] BNIB Longines HydroConquest

BNIB Longines HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

  • Condition: Brand new in box (BNIB)
Posted at
Oct 15, 2025, 7:10 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