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 41mm - $1200 Shipped

Longines - HydroConquest 41mm · $1,200

Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.

Condition: great condition with a small scratch on the AR coating
Bracelet condition: touched up

Posted at

Mar 10, 2026, 10:24 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $475 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $475 (message me if you can't see the details/description in the comments)

A vintage Swiss-made Longines 'Conquest' watch with an integrated steel sports design, evoking elegance and simplicity. The watch features a TV dial shape, vertically brushed linen texture dial, and a high-polish bezel.

Posted at

Mar 7, 2026, 9:42 PM

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2025 Longines HydroConquest 39 - $950

Longines - L3-780-4-56-6 · $950

This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.

Condition: Good overall condition with visible signs of wear
Year: 2025
Included Accessories: Watch maxx kit,Box,Papers,Full links
Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label

Posted at

Mar 7, 2026, 5:21 PM

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View listing on r/WatchExchange