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

Longines Conquest L3.720.4.02 — 38mm — Box and Papers — $1,499 Shipped 🔥

Longines - L3.720.4.02 · $1,499

A clean and versatile Longines Conquest in the desirable 38mm case size with excellent everyday sports watch features and strong wrist presence.

Condition: Good overall, light hairlines on bezel, case, and bracelet
Case Size: 38mm
Wrist Fit: ~8"

Posted at

May 11, 2026, 9:36 PM

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Longines Conquest 41mm L3.759.4.96.6

Longines - L3.759.4.96.6 · $500

A stainless steel Conquest watch with a 41mm case, quartz movement, and water resistance up to 300m. It features a scratch-resistant sapphire crystal, screw-down crown, and comes with a full link butterfly bracelet.

Condition: 8/10
Case size: 41mm diameter
Water depth rating: 300m / 1000 feet
Thickness: 11.80mm

Posted at

May 11, 2026, 4:40 PM

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- Longines Conquest Auto - 41mm - previous generation

Longines - L37774586, L36774586 · $670

Two Longines Conquest Auto watches for sale, both in excellent condition. One is almost new and the other has honest wear throughout. Both have black dials and are 41mm automatic watches.

Condition: almost new, good
Bracelet size: 21mm
Wrist size fit: 8.5"
First watch price: 775

Posted at

May 11, 2026, 3:49 PM

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2026 Longines Conquest Chronograph 42mm Silver / Blue Dial L3.835.4.98.6 Auto FULL SET

Longines - L3.835.4.98.6 · $3,100

This Longines Conquest Chronograph is a beautifully designed stainless steel chrono with a silver and blue dial, offering a 60-hour power reserve and 100m water resistance.

Condition: Excellent, Like New Condition
Movement: Calibre L898.5 Automatic (60 hour power reserve)
Case size: 42mm
Case material: Stainless Steel

Posted at

May 10, 2026, 11:01 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600

A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.

Condition: Good (light scratches)
Case size: 41mm
Material: two tone yellow gold PVD
Movement: quartz

Posted at

May 10, 2026, 5:48 PM

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Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers

Longines - L1.611.4 · $1,099

This Longines Heritage Conquest is a well-maintained timepiece with a silver dial, original band and buckle.

Condition: Excellent
Case Size: not specified

Posted at

May 10, 2026, 10:17 AM

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Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260

This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

Condition: Fantastic, worn 4-6 times
Case size: 43mm
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 9, 2026, 4:10 PM

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(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800

This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

Condition: Unworn
Case material: stainless steel
Bracelet material: stainless steel
Water resistance: 300m

Posted at

May 9, 2026, 1:11 PM

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