Longines Conquest Conquest Quartz 29.5 Stainless Steel / Black - Diamond

Reference L3.277.4.57.6

Longines Conquest Quartz 29.5 Stainless Steel / Black - Diamond

About this watch

The Longines Conquest Quartz 29.5 boasts a round stainless steel case that is both sturdy and stylish, featuring a black dial with gem-set indexes for a touch of sophistication. The watch's durability is ensured by the use of resistant stainless steel, while the sapphire glass offers excellent clarity and scratch resistance. At its heart lies the Longines caliber L152, a quartz movement based on the reliable ETA 256.111, celebrated for its accuracy and featuring a jumping minutes display and date display for added practicality. With an impressive water resistance of 300 meters, this watch is perfect for both formal events and everyday adventures. Its elegant design and robust build make it versatile enough for any occasion, while its comfortable lug width of 15 mm ensures a secure fit on a variety of wrist sizes. This timepiece embodies a perfect blend of practicality, elegance, and durability, making it a statement of style and sophistication that you'll cherish for years to come.

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Key Features

Stainless Steel Case
Black Dial with Gem-Set Indexes
Sapphire Glass
Longines Caliber L152 Quartz Movement
Jumping Minutes Display
Date Display
300m Water Resistance

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Quartz 29.5 Stainless Steel / Black - Diamond

Reference

L3.277.4.57.6

Movement

l152

Movement Features

Hours, Jumping Minutes, Seconds
Date

Case

Stainless Steel

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $450 (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) $450 (message me if you can't see the details/description in the comments)

Longines - 4384 · $450

This vintage Swiss-made Longines 'Conquest' watch features a refined integrated steel sports design, evoking a daring spirit of adventure and discovery. The dial is a subtle in between of grey and light brown, with a vertically brushed linen texture. The case is finely brushed for an industrial look, contrasting with the elegance of the design.

Condition: Great considering its age
Movement: Longines calibre L.746.2 (ETA 954.111)
Bracelet: Integrated solid link bracelet with fine brushed finish and screw pins for easy length adjustment
Crystal: Some faint scratches

Posted at

Apr 12, 2026, 10:54 PM

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[WTS] 1 of 60 Longines Conquest 18k 60th Anniversary Reissue - 1954-2014 Conquest Line Edition, 35mm No Date Automatic, Box & Papers with Warranty to 2027, Excellent Condition

1 of 60 Longines Conquest 18k 60th Anniversary Reissue - 1954-2014 Conquest Line Edition, 35mm No Date Automatic, Box & Papers with Warranty to 2027, Excellent Condition

Longines - Conquest 18k 60th Anniversary Reissue · $5,250

This is a Longines Conquest reissue done in solid 18k gold as a celebration of the 60th anniversary of the Longines Conquest line. The watch measures 35mm and has a 42.2mm lug to lug length, 18mm lug width, and 9.95mm thickness.

Condition: Excellent Condition
Movement: L633
Thickness: 9.95mm
Lug width: 18mm

Posted at

Apr 12, 2026, 12:13 PM

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Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines - L3.784.4.56.9 · $2,500

This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.

Condition: MINT
Case diameter: 43mm
Thickness: 13mm
Lug-to-lug length: 56mm

Posted at

Apr 10, 2026, 8:26 PM

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Longines Conquest Titanium VHP 300$

Longines - 4026 · $300

This Longines Conquest V.H.P is a 35mm titanium watch powered by the Quartz L174.2 caliber, providing accurate timekeeping of +/- 10 seconds per year.

Condition: Very clean considering its age, works with no issues
Case Width: 35mm
Lug To Lug: 38.5mm
Thickness: 8mm

Posted at

Apr 10, 2026, 2:29 PM

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Longines HyrdroConquest L3.742.4.56.6 Complete set + OEM Stainless Steel Bracelet

Longines - L3.742.4.56.6 · $850

This Longines Hydroconquest is a great example of a rugged yet stylish watch, featuring a stainless steel case and a durable design that can withstand everyday wear.

Condition: Great condition with some light wear on the bracelet and case
Bracelet type: Stainless Steel (OEM)
Payment methods accepted: Multiple payment methods including crypto
Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Apr 10, 2026, 1:23 PM

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Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1400 SHIPPED

Longines - L3.720.4.52.6 · $1,400

The Longines Conquest Sunray Black is a beautiful and versatile watch that can be dressed up or down, with a stunning sunshine texture on the dial.

Condition: great condition, seldom worn
Case size: 38mm diameter
Original accessories included: true

Posted at

Apr 9, 2026, 4:45 PM

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Longines Hydroconquest GMT | 41mm | Sunburst Brown | Excellent Condition

Longines - Hydroconquest GMT · $1,350

This Longines Hydroconquest GMT is a refresh of the well-loved hydroconquest line range, featuring a new quick-adjust bracelet and updated bezel with brown ceramic insert. The sunray dial looks incredible in all lighting conditions, especially when exposed to sunlight.

Condition: Excellent
Case size: 41mm diameter
Lug to lug: 49.2mm
Thickness: 12.8mm

Posted at

Apr 8, 2026, 5:34 PM

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