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] Longines Hydroconquest, Black & Rose Gold, Rubber Strap

Longines Hydroconquest, Black & Rose Gold, Rubber Strap

The Longines Hydroconquest features a black rubber strap, uni-directional rotating ceramic bezel, and date display at the 3 o'clock position.

  • Condition: Gently used, minor wear and tear
  • Water Resistance Depth: 300m
  • Case Size: 43mm
  • Movement Jewels: 21
Posted at
Jun 23, 2025, 6:59 PM
Active
[Wts] Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK

Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK

Longines - L3.780.3.78.6 · $1,000
A Longines Hydroconquest 39mm watch, reference L3.780.3.78.6, features a chronometer movement (l888.4) and is in excellent timekeeping condition.

  • Condition: mint condition
  • Movement: L888.4 chronometer version
  • Warranty: almost 3 years remaining
  • Shipping: fully insured special delivery
Posted at
Jun 22, 2025, 5:59 AM
Active
Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6

Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6

Longines - L3.890.4.56.6 · $2,099.002
Pre-owned Longines Hydroconquest GMT watch in 43mm stainless steel case with automatic movement, black dial, and 300m water resistance.

  • Condition: 95% condition, faint marks on the sides and back of the case; 91% condition, slight marks on the links and clasp for the bracelet
  • Case size: 43mm diameter
  • Water resistance: 300m depth rating
  • Material: Stainless Steel
Posted at
Jun 20, 2025, 9:54 PM
Active
[WTS] Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap

Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap

Longines - L3.781.3.58.9 · $1,199
This Longines Hydroconquest features a silver-tone stainless steel case with a black rubber strap, uni-directional rotating black ceramic bezel, and a black dial with rose gold-tone hands and index hour markers.

  • Condition: Gently used with minor wear and tear, polishable
  • Case size: 43mm diameter
  • Water resistance: 300m / 1000ft depth rating
  • Movement: Longines Calibre L888 Automatic movement
Posted at
Jun 16, 2025, 2:47 PM
Active
[WTS] Longines Hydroconquest GMT, Excellent Condition, Box and papers

Longines Hydroconquest GMT, Excellent Condition, Box and papers

Longines - L3.790.4.56.6 · $1,850
This Longines Hydroconquest GMT features a stainless steel case with black dial and ceramic bezel, housed on a stainless-steel bracelet. It has a screw-down back and crown, with a unidirectional notched bezel in black ceramic.

  • Condition: Excellent condition
  • Case size: 41mm diameter
Posted at
Jun 16, 2025, 1:42 PM
Active
Longines Hydroconquest Automatic

Longines Hydroconquest Automatic

The Longines Hydroconquest is a comfortable and reliable automatic watch. It features a 41mm case size with a blue aluminum bezel and dial.

  • Condition: Pre-owned, has been worn
  • Case Size: 41mm
  • Bezel Fade: yes, but lines up properly
  • Wrist Size Fit: 7 7/8 inch wrist
Posted at
Jun 14, 2025, 3:19 PM
Active
>>REDUCED<< LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4

>>REDUCED<< LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4

Longines - L3.784.4 · $1,995.002
This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m. The watch has a 43mm diameter and comes with a rubber strap and deployant clasp.

  • Condition: MINT
  • Case material: ceramic
  • Diameter: 43mm
  • Water resistance: 300m
Posted at
Jun 13, 2025, 4:41 PM
Active