Longines Conquest Conquest Automatic 39 Ceramic

Reference L3.655.4.56.6

About this watch

The Longines Conquest Automatic 39 Ceramic is a masterpiece of watchmaking, blending elegance with functionality in a sleek black ceramic case. This round timepiece, measuring 39 mm in diameter, boasts a perfect balance for both men and women, with a lug width of 19 mm for versatility. The black dial features mixed indexes and luminous stick hands, ensuring visibility even in low light. Protected by sapphire crystal glass, this watch is resistant to scratches and maintains its pristine appearance over time. At the heart of the Conquest Automatic 39 Ceramic lies the Longines caliber L633.5, an automatic movement based on the renowned ETA 2824-2, celebrated for its reliability and precision. With a water resistance of up to 300 meters, this watch is built for adventure, suitable for recreational diving and other water-related activities. Its stainless steel bracelet feels sturdy yet comfortable against the skin, making it perfect for daily wear. This timepiece is not just about telling time; it's a statement piece that can elevate any outfit, embodying the perfect blend of style, functionality, and reliability.

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Key Features

Automatic Movement (Longines Caliber L633.5)
Water Resistance up to 300 meters
Sapphire Crystal Glass
Black Ceramic Case with Stainless Steel Bracelet
39mm Round Diameter, 19mm Lug Width
Mixed Indexes and Luminous Stick Hands on Black Dial
38 hours Power Reserve

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Automatic 39 Ceramic

Reference

L3.655.4.56.6

Movement

l633-5

Movement Features

Hours, Minutes, Seconds
Date

Case

39mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

2026 Longines Conquest Chronograph 42mm Silver / Blue Dial L3.835.4.98.6 Auto FULL SET

Longines - L3.835.4.98.6 · $3,100

This Longines Conquest Chronograph is a beautifully designed stainless steel chrono with a silver and blue dial, offering a 60-hour power reserve and 100m water resistance.

Condition: Excellent, Like New Condition
Movement: Calibre L898.5 Automatic (60 hour power reserve)
Case size: 42mm
Case material: Stainless Steel

Posted at

May 10, 2026, 11:01 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600

A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.

Condition: Good (light scratches)
Case size: 41mm
Material: two tone yellow gold PVD
Movement: quartz

Posted at

May 10, 2026, 5:48 PM

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Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers

Longines - L1.611.4 · $1,099

This Longines Heritage Conquest is a well-maintained timepiece with a silver dial, original band and buckle.

Condition: Excellent
Case Size: not specified

Posted at

May 10, 2026, 10:17 AM

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Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260

This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

Condition: Fantastic, worn 4-6 times
Case size: 43mm
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 9, 2026, 4:10 PM

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(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800

This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

Condition: Unworn
Case material: stainless steel
Bracelet material: stainless steel
Water resistance: 300m

Posted at

May 9, 2026, 1:11 PM

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Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,175

This Longines Conquest features a panda dial and is available for sale in excellent condition.

Condition: Excellent condition
Payment methods accepted: crypto, other methods
Meeting options: local pickup, shipping

Posted at

May 8, 2026, 12:55 PM

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2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set

Longines - L3.779.4.56.6 · $1,900

The newly redesigned Longines HydroConquest in the highly sought-after 39mm size, featuring a refined dial and upgraded bracelet.

Condition: Excellent Used Condition
Size: 39mm diameter
Thickness: ~11.9mm
Lug-to-lug length: 47mm

Posted at

May 7, 2026, 8:43 PM

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Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.

Longines - L3.782.4.56.6 · $1,350

A Longines Hydroconquest 43mm watch on a black dial with a stainless steel bracelet, now on an Ali Rubber strap.

Condition: Mint condition, worn approximately 5 times
Case size: 43mm diameter
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 7, 2026, 4:43 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) $435 (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) $435 (details/description in the comments)

Longines - 4384 · $435

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

Condition: Great condition considering its age, only minor general wear
Movement: Longines calibre L.746.2 (Swiss-made ESA ETA 954.111)
Bracelet Type: Integrated solid link bracelet
Bracelet Dimensions: Accommodates up to roughly 18cm wrist size

Posted at

May 6, 2026, 9:53 PM

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