Longines Conquest Conquest Quartz 34 Stainless Steel - Diamond / Black

Reference L3.400.0.57.6

About this watch

The Longines Conquest L3.400.0.57.6 is a luxurious quartz watch that exudes elegance and sophistication. Its 34mm round case, made from durable stainless steel, features a stunning black dial and gem-set bezel with diamond accents. The watch is protected by sapphire glass and has an impressive water resistance of 300 meters, making it perfect for active lifestyles. With its reliable quartz movement, this watch promises exceptional accuracy and requires minimal maintenance. Its sleek design, robust materials, and precise timekeeping make the Longines Conquest L3.400.0.57.6 a remarkable luxury timepiece that deserves a spot on your wrist.
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Key Features

  • 34mm round stainless steel case
  • Stunning black dial with gem-set bezel and diamond accents
  • Sapphire glass protection for scratch resistance
  • 300m water resistance for active lifestyles
  • Reliable quartz movement for exceptional accuracy
  • Durable stainless steel bracelet for comfort and longevity

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Quartz 34 Stainless Steel - Diamond / Black
Reference
L3.400.0.57.6
Case
Stainless Steel 34mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
Active
[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
Active
[WTS] Longines HydroConquest 42mm Blue Ceramic Bezel – 2026 Card – Full Kit – Like New

Longines HydroConquest 42mm Blue Ceramic Bezel – 2026 Card – Full Kit – Like New

Longines - 2026 · $4,200
The listing is for a Longines HydroConquest 42mm watch with a blue ceramic bezel, accompanied by a full kit and a 2026 card.

  • Condition: Like new
  • Material: Blue Ceramic Bezel
  • Size: 42mm
Posted at
Apr 27, 2026, 1:18 PM
Active
[WTS] Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

This is a brand new, unworn Longines HydroConquest limited edition watch from the 2026 Commonwealth Games collection. It features a 39mm case and comes with various accessories.

  • Condition: Brand New Unworn
  • Case size: 39mm
  • Limited edition status: One of 2026
Posted at
Apr 27, 2026, 11:58 AM
Active
[WTS][US] Longines Conquest - Blue - 41mm - L3.830.4.92.6 - 2026 NEW - Full Set w/ 5-Year Warranty

[US] Longines Conquest - Blue - 41mm - L3.830.4.92.6 - 2026 NEW - Full Set w/ 5-Year Warranty

Longines - L3.830.4.92.6 · $1,950
A 2026 Longines Conquest in blue, with a 41mm case size and a full set of accessories including a 5-year warranty.

  • Condition: New, unworn
  • Case Size: 41mm diameter
Posted at
Apr 27, 2026, 8:32 AM
Active
[WTS] Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

This Longines Hydroconquest features a 41mm ceramic case, black dial, and is sized for an approximate 7.4" wrist.

  • Condition: Pre-owned with scratches on the case and bracelet
  • Case material: ceramic
  • Bracelet size: 7.4in diameter
  • Warranty: no warranty included
Posted at
Apr 26, 2026, 7:58 PM
Active
[WTS] Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit

Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit

Longines - L3.835.4.98 · $2,499
This Longines Conquest Chronograph features a blue ceramic bezel and measures 42mm in diameter.

  • Condition: Excellent condition
  • Case Size: 42mm diameter
  • Box: yes
  • Instruction Manual: yes
Posted at
Apr 26, 2026, 6:35 PM
Active
[WTS] PRICED TO FLY Longines Conquest 🏞️ ‘Sunray Green’ L3.830.4.02.6 JUST $1350 Shipped

PRICED TO FLY Longines Conquest 🏞️ ‘Sunray Green’ L3.830.4.02.6 JUST $1350 Shipped

Longines - L3.830.4.02.6 · $1,350
This is a super clean, modern everyday watch with Longines' great build quality, gorgeous sunray green dial, and a really versatile look on bracelet.

  • Condition: like-new with minor scratches
  • Case size: 41mm
  • Bracelet type: bracelet
  • Year sold: 2025
Posted at
Apr 25, 2026, 2:30 PM
Active
[WTS] Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Two Longines watches for sale, the Conquest L3.776.4 and the HydroConquest L3.741.4.

  • Condition: Very good
  • Case size: 39 mm
  • Year purchased: 2025
  • Clasp wear: minor wear on clasp from being stored at work desk
Posted at
Apr 25, 2026, 1:54 PM
Active