Longines HydroConquest Hydroconquest Quartz 25 Two Tone Black

Reference L3.147.3.56.7

About this watch

The Longines Hydroconquest Quartz 25 Two Tone Black is a stunning timepiece that embodies both form and function. With its elegant two-tone design, highly water-resistant (300 meters) case made from durable sapphire glass and stainless steel with gold plating, this watch is perfect for anyone who appreciates a blend of style and practicality. At the heart of this timepiece is the Longines caliber L250 quartz movement, celebrated for its accuracy and reliability. Whether you're a diving enthusiast, a professional who needs a reliable timepiece, or someone who loves to accessorize, this watch caters to all with its versatility and Swiss precision.
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Key Features

  • Sapphire glass
  • Quartz movement
  • Two-tone design
  • Water resistance up to 300 meters
  • Stainless steel case with gold plating
  • Accurate timekeeping
  • Durable construction

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 25 Two Tone Black
Reference
L3.147.3.56.7
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 25mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines - L3.779.4.09.9 $2,950
A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.

  • Condition: Mint
  • Case Size: 39mm
  • Limited Edition Quantity: 2026 pieces
  • Warranty Length: five years
Posted at
May 12, 2026, 4:37 PM
Active
[WTS] Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.

  • Condition: Excellent daily-wear, shows wear from use on the bracelet
  • Case Size: 39mm diameter
  • Bracelet Type: black ceramic bezel + bracelet + WOE NATO
Posted at
May 12, 2026, 4:18 PM
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 馃殺

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

Longines - 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 馃殺

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

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