Longines Conquest Conquest Quartz 25 Diamond

Reference L3.158.0.89.6

About this watch

The Longines Conquest Quartz 25 Diamond (L3.158.0.89.6) is a stunning timepiece that beautifully marries elegance with functionality. With its impressive design, robust movement, and comfortable wearability, it's hard to find reasons not to love this watch. Its sleek stainless steel case features a diameter of 25.00 mm, making it compact yet bold enough to make a statement. The watch boasts an iridescent mother of pearl dial that reflects light beautifully, adding a touch of sparkle with gem-set indexes. With its secure clasp and adjustable bracelet, you can wear it all day without feeling weighed down. Its impressive water resistance of 300 meters makes it perfect for active lifestyles. At the heart of this watch is the Longines caliber L250, a refined version of the reliable ETA 956.112 quartz movement. This movement offers precision and reliability, ensuring you'll be on time for all your engagements. With a reserve of 26,280 seconds, you can count on it to keep ticking smoothly.

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Key Features

Longines caliber L250 quartz movement
Stainless steel case with sapphire glass
300 meters water resistance
Mother of pearl dial with gem-set indexes
Adjustable bracelet for a secure fit
Impressive design and robust construction

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Quartz 25 Diamond

Reference

L3.158.0.89.6

Movement

l250

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 25mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines - L3.779.4.09.9 · $2,950

A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.

Condition: Mint
Case Size: 39mm
Limited Edition Quantity: 2026 pieces
Warranty Length: five years

Posted at

May 12, 2026, 4:37 PM

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Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

Longines - HydroConquest 39mm · $750

This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.

Condition: Excellent daily-wear, shows wear from use on the bracelet
Case Size: 39mm diameter
Bracelet Type: black ceramic bezel + bracelet + WOE NATO

Posted at

May 12, 2026, 4:18 PM

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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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