Longines Conquest Conquest Quartz 34 Stainless Steel - Diamond / Black

Reference L3.400.0.57.6

Longines Conquest Quartz 34 Stainless Steel - Diamond / Black

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

Longines HydroConquest GMT 41

Longines - L3.790.4 · $1,875

A Longines HydroConquest GMT 41, featuring a GMT function and 41mm case size.

Condition: Pre-owned with minor cosmetic flaws
Case size: 41mm diameter
Water resistance: not specified

Posted at

Mar 11, 2026, 3:01 PM

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Longines HydroConquest 41mm - $1200 Shipped

Longines - HydroConquest 41mm · $1,200

Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.

Condition: great condition with a small scratch on the AR coating
Bracelet condition: touched up

Posted at

Mar 10, 2026, 10:24 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $475 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $475 (message me if you can't see the details/description in the comments)

A vintage Swiss-made Longines 'Conquest' watch with an integrated steel sports design, evoking elegance and simplicity. The watch features a TV dial shape, vertically brushed linen texture dial, and a high-polish bezel.

Posted at

Mar 7, 2026, 9:42 PM

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2025 Longines HydroConquest 39 - $950

Longines - L3-780-4-56-6 · $950

This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.

Condition: Good overall condition with visible signs of wear
Year: 2025
Included Accessories: Watch maxx kit,Box,Papers,Full links
Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label

Posted at

Mar 7, 2026, 5:21 PM

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View listing on r/WatchExchange