Longines Conquest Conquest Quartz 34 Stainless Steel - Diamond / MOP

Reference L3.400.0.87.6

About this watch

The Longines Conquest Quartz 34 Stainless Steel - Diamond / MOP is a breathtaking watch that beautifully balances elegance with practicality. Its stunning design, reliable movement, and impressive water resistance make it a standout choice in the luxury watch market. With a mother of pearl dial and gem-set indexes, this watch exudes a sense of luxury and sophistication. The Longines caliber L156, based on the ETA 255.412 movement, ensures accuracy and reliability. Its water resistance of 300 meters allows for worry-free swimming or snorkeling adventures. The stainless steel bracelet with adjustable clasp provides comfort and a snug fit. With its combination of style, performance, and durability, this watch is a compelling option for anyone looking to elevate their watch collection.

Buy Now on Jomashop

This is an affiliate link

Key Features

Stainless Steel Case
Mother of Pearl Dial
Gem-Set Indexes
Quartz Movement (Longines caliber L156)
Sapphire Glass
300m Water Resistance
Adjustable Stainless Steel Bracelet

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Quartz 34 Stainless Steel - Diamond / MOP

Reference

L3.400.0.87.6

Movement

l156

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 34mm

Dial Color

Mother of pearl

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

[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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange