Longines Conquest Conquest Automatic 39 Ceramic

Reference L3.655.4.56.2

About this watch

The Longines Conquest Automatic 39 Ceramic is a masterclass in luxury watchmaking. This sleek black dial, round case beauty boasts an impressive 300m water resistance rating, making it perfect for swimmers, divers, or anyone who wants to wear their timepiece with confidence. The ceramic and stainless steel construction provides a comfortable fit on the wrist, while the sapphire crystal glass ensures that the beautiful dial remains scratch-free. Powering this stunning watch is the Longines caliber L633.5 movement, which boasts 38 hours of power reserve and operates at an impressive 28,800 vibrations per hour. With its elegant design, robust features, and reputable heritage, the Conquest Automatic 39 Ceramic is a true investment piece that promises longevity and style.

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Key Features

Longines caliber L633.5 automatic movement
300m water resistance rating
Sapphire crystal glass for scratch-resistance
Ceramic and stainless steel construction for comfort and durability
Date function for convenient everyday use
25 jewels to reduce friction and enhance longevity

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Automatic 39 Ceramic

Reference

L3.655.4.56.2

Movement

l633-5

Movement Features

Hours, Minutes, Seconds
Date

Case

39mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest with Box+Papers

Longines - Hydroconquest · $900

A gently used Longines Hydroconquest in excellent condition, complete with box, papers, and original accessories.

Condition: Near perfect with minor scratches on the back of the lugs
Box And Papers: Included
Bracelet Links: Extra links after sizing
Warranty Card: Included

Posted at

Mar 22, 2026, 5:10 PM

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OEM Longines HydroConquest GMT 41mm Black Rubber Strap (21mm) w/ OEM Deployant Clasp – Excellent

Longines - HydroConquest GMT 41mm · $350

A Longines HydroConquest GMT watch with a 41mm black rubber strap and deployant clasp, featuring a comfortable on-the-fly micro-adjust mechanism. The watch has been worn sparingly and shows minimal signs of wear.

Condition: Lightly used
Lug width: 21mm
Clasp type: deployant

Posted at

Mar 22, 2026, 3:26 PM

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Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition

Longines - Hydroconquest GMT 41mm · $1,350

A Longines Hydroconquest GMT 41mm with a sunray brown dial and ceramic bezel insert, featuring an updated bezel and quick-adjust bracelet. It has a true GMT movement that keeps excellent time.

Condition: Excellent
Case size: 41mm
Lug-to-lug: 49.2mm
Thickness: 12.8mm

Posted at

Mar 21, 2026, 12:28 PM

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1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $700

Longines - 7012.1 Cal.291 · $700

This 1960s Longines Conquest Ref. 7012.1 Cal.291 is a clean, well-proportioned everyday piece from Longines' golden era. It features an automatic movement with Incabloc shock protection and a self-winding system.

Condition: Great condition, serviced
Case Size: 35mm diameter
Lug Width: 18mm
Crystal Type: plexiglass

Posted at

Mar 19, 2026, 12:40 AM

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Longines HydroConquest 41mm Two Tone $1750

Longines - HydroConquest · $1,750

Longines HydroConquest in a two-tone version, sold as-is.

41mm diameter: case size

Posted at

Mar 18, 2026, 12:52 PM

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Longines Hydroconquest Two-tone 41mm

Longines - Hydroconquest 41mm Two-Tone · $1,150

This Longines Hydroconquest Two-Tone is a 41mm watch that comes with all its original components, including a blank card.

Condition: Absolutely beautiful condition!
Case size: 41mm

Posted at

Mar 16, 2026, 1:57 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $465 (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) $465 (message me if you can't see the details/description in the comments)

Longines - 4384 · $465

This vintage Swiss-made Longines "Conquest" is a beautiful example of an integrated steel sports watch. The dial shape is very '70s with its TV dial shape, featuring a subtle grey and light brown color with a vertically brushed linen texture.

Condition: Great condition considering its age, with minor general wear
Diameter: 30.2mm x 37.8mm
Thickness: 7.7mm

Posted at

Mar 15, 2026, 10:53 PM

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Longines Hydroconquest GMT 41mm

Longines - Hydroconquest GMT 41mm · $1,825

The Longines Hydroconquest GMT is a blue-dialed watch featuring a GMT complication, housed in a 41mm case. It comes with a complete full set and eBay verification.

Condition: Pre-owned with minor wear
Case size: 41mm
Bracelet condition: Minor wear

Posted at

Mar 15, 2026, 5:06 PM

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Longines Conquest V.H.P. 36mm - White Dial - (Reserved)

Longines - L3.316.4.76.6 · $475

This is a Longines Conquest V.H.P. in white dial, featuring a 36mm case size and 'very high precision' quartz movement with an accuracy of about 5 seconds per year.

Condition: A- (minor marks on case, serviced by Longines)
Dial color: white
Case size: 36mm diameter
Movement type: quartz (VHP)

Posted at

Mar 15, 2026, 2:19 PM

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