Longines Conquest Conquest Quartz 25 Diamond

Reference L3.158.0.88.6

About this watch

The Longines Conquest Quartz 25 Diamond is a stunning representation of luxury watchmaking. This exquisite timepiece features a round stainless steel case with a diameter of 25mm, perfect for both casual and formal occasions. The mother-of-pearl dial adds a sophisticated touch, while the gem-set indexes make it easy to read the time even in low light. At its heart lies the Longines caliber L250, renowned for its accuracy and reliability. With a frequency of 28,800 vibrations per hour, this quartz movement ensures that you're always on time. The watch's remarkable water resistance of 300 meters makes it suitable for swimming, snorkeling, or even diving. Its versatile design and robust water resistance allow it to seamlessly transition from the office to a night out on the town. With its elegant design, exceptional accuracy, and versatility, this watch checks all the boxes.

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Key Features

Longines caliber L250 quartz movement
Stainless steel case with 25mm diameter
Mother-of-pearl dial with gem-set indexes
300 meters water resistance
Sapphire glass
Adjustable stainless steel bracelet
28,800 vibrations per hour frequency

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Quartz 25 Diamond

Reference

L3.158.0.88.6

Movement

l250

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 25mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099

This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

Condition: Mint on OEM rubber strap
Model size: 41mm diameter
Case material: two tone
Bezel type: ceramic

Posted at

Dec 22, 2025, 10:59 PM

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Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850

This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

Condition: 9.5/10
Case size: 40mm

Posted at

Dec 18, 2025, 9:49 PM

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LONGINES CONQUEST QUARTZ 41MM

LONGINES - CONQUEST QUARTZ 41MM · $550

This Longines Conquest Quartz features a black explorer-style dial and comes with a two-year warranty. It is up for sale as brand new, never used.

Condition: Brand new in box (BNIB)
Case size: 41mm
Dial description: explorer style

Posted at

Dec 10, 2025, 10:25 PM

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Longines Conquest VHP 41mm

Longines - Conquest VHP · $550

A 2-year-old Longines Conquest VHP with Swiss precision, available for sale. This watch comes with its original box, manuals, and papers, along with a Watchmaxx warranty card.

Condition: Very gently used, mild scuff on clasp
Wrist size compatibility: 7-7.25 inches
Age: 2 years old

Posted at

Dec 10, 2025, 10:18 PM

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Longines hydro conquest 41mm black

Longines - hydro conquest 41mm black · $1,050

A beautiful, high-quality Longines Hydro Conquest watch in a 41mm black case, dated 12/24.

Condition: Brand New In Box (BNIB)
Case size: 41mm
Bracelet condition: intact with stickers

Posted at

Dec 10, 2025, 10:13 PM

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Longines Conquest 38mm L3.720.4.02.6 full kit

Longines - L3.720.4.02.6 · $1,400

A beautiful Longines Conquest sold as a full kit, in good condition with minor imperfections. It comes with its box, paper, and a remaining warranty until 2030.

Condition: over good condition with slight blemishes
Length: 38mm diameter
Water Resistance: not specified

Posted at

Dec 10, 2025, 12:48 PM

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Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095

This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.

Condition: Excellent Condition
Case Diameter: 41mm
Thickness: 11.9mm
Bezel Type: Unidirectional rotating Green Ceramic

Posted at

Feb 5, 2025, 2:47 AM

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