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

New Longines HydroConquest 42mm Frosted Blue Dial

Longines - HydroConquest 42mm · $2,100

A brand new Longines HydroConquest with a frosted blue dial in 42mm size.

Condition: new
Case size: 42mm
Diameter: 42mm

Posted at

May 3, 2026, 1:20 PM

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USA - Longines Conquest 41mm - Green $1650 - L3.830.4.02.6 - Like New

Longines - L3.830.4.02.6 · $1,650

This is a 2024 Longines Conquest with a 41mm green dial, stainless steel bracelet, and a green rubber strap. It's a full set with box, papers, warranty card, and hang tag.

Condition: Like new (9/10)
Size: 41mm diameter
Dial color: Green
Bracelet type: Stainless steel with full links

Posted at

May 3, 2026, 4:15 AM

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Longines Conquest VHP GMT L37184566

Longines - L37184566 · $1,000

This Longines Conquest VHP GMT is a discontinued model with a unique feature of setting times using an iPhone app and flashing lights. It comes with a full kit including an unworn bracelet and OEM rubber strap.

Condition: Pre-owned with minor signs of wear
Bracelet size compatibility: up to 7 inch wrist
Warranty card date: 3/30/2021

Posted at

May 2, 2026, 6:29 PM

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USA - Longines Conquest 41mm - Green $1750 - Like New

Longines - L3.830.4.02.6 · $1,750

This 2024 Longines Conquest features a 41mm green dial and stainless steel bracelet, with additional accessories including a rubber strap and full links.

Condition: Like new (9/10 condition)
Case Size: 41mm
Bracelet Type: Stainless steel
Strap Type: Green rubber (aftermarket)

Posted at

May 1, 2026, 8:30 PM

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Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines - L3.790.4.96.6 (2026) · $1,999

The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.

Condition: Brand New
Case diameter: 41mm
Water resistance: 300m
Movement type: Calibre L844.5 automatic

Posted at

May 1, 2026, 8:25 PM

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Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,250

This Longines Conquest features a unique panda dial in excellent condition, complete with the original set.

Condition: excellent condition
Payment Methods: crypto, cash, etc (except PayPal)
Other Payment Conditions: local pickup available
Trade In Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

May 1, 2026, 10:57 AM

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New Longines Hydroconquest 42mm Frosted Blue Dial

Longines - Hydroconquest 42mm · $2,200

A brand new Longines Hydroconquest 42mm with a frosted blue dial, sold exclusively at Corporate boutiques. The watch comes with all links, papers, and box.

Condition: Brand new
Diameter: 42mm

Posted at

May 1, 2026, 10:36 AM

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2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

Longines - L37884906 · $1,900

The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.

Condition: Excellent (pre-owned, minimal wear)
Year: 2026
Case size: 42mm diameter
Case material: Stainless steel

Posted at

Apr 30, 2026, 10:26 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines - 4384 · $440

This vintage Swiss-made Longines 'Conquest' is a beautiful example of an integrated steel sports watch from the late-1970s. The design embodies elegance and simplicity with its TV dial shape, high polish stick indices, and finely brushed case.

Condition: Great condition, minor general wear
Bracelet type: Integrated solid link
Bracelet material: Steel
Bracelet finish: Finely brushed

Posted at

Apr 28, 2026, 11:43 PM

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