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] CHRISTMAS SPECIAL Longines Hydroconquest L3.742.4 Automatic 41mm Diver $650 OBO

CHRISTMAS SPECIAL Longines Hydroconquest L3.742.4 Automatic 41mm Diver $650 OBO

Longines - L3.742.4 · $650
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well with no issues.

  • Condition: Good overall with minor scratches and wear
  • Case size: 41mm diameter
  • Movement type: Automatic
Posted at
Dec 25, 2025, 1:57 PM
Active
[WTS] Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines - L3.742.4 · $700
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well and runs smoothly.

  • Condition: Good overall, with minor scratches on the bezel and case
  • Case Size: 41mm diameter
  • Movement Type: automatic
Posted at
Dec 24, 2025, 11:07 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099
This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

  • Condition: Mint on OEM rubber strap
  • Model size: 41mm diameter
  • Case material: two tone
  • Bezel type: ceramic
Posted at
Dec 22, 2025, 10:59 PM
Active
[WTS] Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850
This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

  • Condition: 9.5/10
  • Case size: 40mm
Posted at
Dec 18, 2025, 9:49 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