Longines HydroConquest Hydroconquest Quartz 29.5 Two Tone Black

Reference L3.247.3.56.7

About this watch

The Longines HydroConquest Quartz 29.5 Two Tone Black is a masterclass in luxury watchmaking, blending stunning style with robust functionality and impressive technical specifications. This exquisite timepiece boasts an elegant two-tone design, featuring a sleek black dial paired with PVD gold coating that exudes sophistication. The stainless steel case provides durability, while the rotating bezel allows for precise timing of underwater adventures. At its heart lies the reliable Longines caliber L250 quartz movement, ensuring accuracy and longevity. Water resistance up to 300 meters makes it an ideal choice for diving enthusiasts or those who simply appreciate a watch that can keep pace with their active lifestyle.
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Key Features

  • Longines caliber L250 Quartz Movement
  • Water Resistance Up to 300 Meters
  • Sapphire Crystal Glass for Enhanced Durability
  • Proprietary Hands for Maximum Legibility
  • Elegant Two-Tone Design with PVD Gold Coating
  • Stainless Steel Case for Durability and Comfort

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 29.5 Two Tone Black
Reference
L3.247.3.56.7
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 29.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 39mm black bezel - 2026 release

Longines Hydroconquest 39mm black bezel - 2026 release

A 39mm black bezel Longines Hydroconquest with a black dial, sold in full kit and unregistered for warranty purposes.

  • Condition: Like-new
  • Case diameter: 39mm
  • Condition notes: No scratches anywhere on the case, crystal or bracelet
Posted at
May 18, 2026, 4:29 PM
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

A Longines Hydroconquest quartz two-tone diver watch, featuring a black dial and 41mm case size.

  • Condition: Pre-owned with light scratches
  • Case size: 41mm
  • Material: two tone
Posted at
May 17, 2026, 9:13 AM
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

This Longines Hydroconquest is a fun and capable diver that comes in the 41mm version, featuring a black dial and quartz movement.

  • Condition: pre-owned with light scratches
  • Case Size: 41mm
  • Movement Type: quartz
Posted at
May 16, 2026, 7:05 PM
Active
[WTS] Longines Hydroconquest 39mm black bezel/dial

Longines Hydroconquest 39mm black bezel/dial

This Longines Hydroconquest 39mm features a black bezel and dial, is in excellent condition, and comes with its full kit including boxes, hangtags, warranty card, and owner's manual.

  • Condition: Like-new
  • Case size: 39mm diameter
  • Box status: full-kit
  • Warranty remaining: five years
Posted at
May 16, 2026, 5:17 PM
Active
[WTS] Longines HydroConquest Two Tone Green Dial $1499

Longines HydroConquest Two Tone Green Dial $1499

Longines - HydroConquest · $1,499
Longines HydroConquest Two Tone Green Dial for sale

Posted at
May 16, 2026, 11:33 AM
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[WTS] Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines - L3.788.4.06.6 · $1,999
This is the first real redesign the HydroConquest has seen in nearly a decade with thinner case and upgraded ceramic bezel with audible click.

  • Condition: Never sized, never worn
  • Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
  • Water resistance: 300m / 30 bar
  • Box papers: Full double-box set with instruction manual and tags present
Posted at
May 16, 2026, 10:58 AM
Active
[WTS] Longines Hydroconquest 41mm Black dial

Longines Hydroconquest 41mm Black dial

Longines - L3.781.4.56 · $1,100
A Longines Hydroconquest 41mm with a black dial is being sold. The watch features an original box and bracelet, as well as two additional straps.

  • Condition: Very good condition, a few scuffs on the sapphire but no scratches
  • Case size: 41mm
  • Bracelets: 2
  • Straps: 2
Posted at
May 15, 2026, 2:06 PM
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[WTS] Longines Hydroconquest 39mm L3.779.4.96.6

Longines Hydroconquest 39mm L3.779.4.96.6

Longines - L3.779.4.96.6 · $2,100
A Longines Hydroconquest 39mm with a frosted blue dial, this watch features a unique and stylish design.

  • Condition: Like new
  • Size: 39mm diameter
Posted at
May 14, 2026, 10:43 PM
Active
[WTS] Longines Hydroconquest 39mm

Longines Hydroconquest 39mm

A Longines Hydroconquest diver's watch in excellent condition, featuring a 2026 movement and virtually no signs of wear.

  • Condition: 9.6/10 - extremely clean example
  • Movement: 2026
  • Case condition: virtually no signs of wear
  • Box included: true
Posted at
May 14, 2026, 10:36 PM
Active