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

Longines Conquest V.H.P. 36mm (L3.316.4.76.6) - $450

Longines - L3.316.4.76.6 · $450

This Longines Conquest V.H.P. is a 36mm quartz watch featuring a white dial and high accuracy, rated +/- 5 seconds per year. It's officially listed as silver but appears white to the seller.

Condition: Excellent with minor daily wear
Case diameter: 36mm
Lug width: 18mm
Bracelet size: 6.75"

Posted at

May 17, 2026, 4:03 PM

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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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