Longines Conquest Conquest 29.5 Automatic Double Row Diamond

Reference L3.180.0.87.6

About this watch

The Longines Conquest 29.5 Automatic Double Row Diamond is more than just a timepiece; it’s a celebration of craftsmanship, style, and enduring elegance. This stunning luxury watch features an exquisite mother of pearl dial, complemented by a double row of diamonds that add a luxurious touch without being overly ostentatious. The round shape ensures it sits well on the wrist, making it suitable for any occasion—whether you're at a formal dinner or a casual brunch. Powered by the Longines caliber L595, an automatic movement that boasts reliability and precision, this watch ensures that you’re never late for your next big meeting or event. With a power reserve of 40 hours and a frequency of 28,800 vibrations per hour, it's perfect for those who value practicality and accuracy. The date function is seamlessly integrated into the design, making it easy to keep track of your schedule without cluttering the aesthetics of the watch. One of the standout features of this timepiece is its durability, with a water resistance of 50 meters and scratch-resistant sapphire glass. This watch transitions effortlessly between styles, making it a fantastic investment for any wardrobe. Whether you’re a watch aficionado or a casual wearer, the consensus is clear: this watch delivers.

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Key Features

Longines caliber L595 automatic movement
Mother of pearl dial with double row of diamonds
Sapphire glass with scratch-resistant properties
Water resistance up to 50 meters
Date display and stick hands for clear time-telling
40-hour power reserve and 28,800 vibrations per hour
Stainless steel case with comfortable 29.5mm diameter

Specifications

Brand

Longines

Family

Conquest

Model

Conquest 29.5 Automatic Double Row Diamond

Reference

L3.180.0.87.6

Movement

l595

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 29.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers - $1,099

Longines - L1.611.4 · $1,099

This Longines Heritage Conquest features a silver dial and comes with original band, buckle, box, papers, an extra strap, and is in immaculate condition.

Condition: Excellent
Band Condition: Great
Buckle Condition: Great

Posted at

May 17, 2026, 12:54 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines - L3.740.3.56.7 · $550

A Longines Hydroconquest quartz two-tone diver watch, featuring a black dial and 41mm case size.

Condition: Pre-owned with light scratches
Case size: 41mm
Material: two tone

Posted at

May 17, 2026, 9:13 AM

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[WTS] Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $430 (details/description in the comments)

Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $430 (details/description in the comments)

Longines - 4384 · $430

This vintage Swiss-made Longines 'Conquest' watch features a refined integrated steel sports design with a subtle dial shape and elegant simplicity. It houses the Longines calibre L.746.2, a beautiful early quartz movement that works well to this day.

Condition: Great condition considering age, minor general wear
Case Dimensions: 30.2mm x 37.8mm x 7.7mm
Bracelet Length Capacity: up to roughly 18cm

Posted at

May 16, 2026, 10:52 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines - L3.740.3.56.7 · $550

This Longines Hydroconquest is a fun and capable diver that comes in the 41mm version, featuring a black dial and quartz movement.

Condition: pre-owned with light scratches
Case Size: 41mm
Movement Type: quartz

Posted at

May 16, 2026, 7:05 PM

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Longines Hydroconquest 39mm black bezel/dial

Longines - 39mm black bezel/black dial Hydroconquest · $2,200

This Longines Hydroconquest 39mm features a black bezel and dial, is in excellent condition, and comes with its full kit including boxes, hangtags, warranty card, and owner's manual.

Condition: Like-new
Case size: 39mm diameter
Box status: full-kit
Warranty remaining: five years

Posted at

May 16, 2026, 5:17 PM

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