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

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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1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $650

Longines - 7012.1 Cal.291 · $650

This 1960s Longines Conquest is a classic everyday piece from the brand's golden era, featuring a clean and well-proportioned design backed by an in-house movement.

Condition: Great serviced condition
Case size: 35mm
Lug width: 18mm
Crystal material: plexiglass

Posted at

Apr 28, 2026, 11:25 AM

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