Longines Conquest Conquest Automatic 39 Ceramic

Reference L3.655.4.86.6

About this watch

The Longines Conquest Automatic 39 Ceramic (L3.655.4.86.6) is a remarkable timepiece that combines elegance, durability, and performance. With its modern yet classic design, this watch boasts a perfect blend of style and functionality. The ceramic case and stainless steel frame make it visually striking, while the scratch-resistant sapphire glass ensures it stays pristine even after years of use. At the heart of this watch is the Longines caliber L633.5, which provides precision and longevity with its 25 jewels and 38-hour power reserve. This automatic movement is known for its reliability, making it an excellent choice for both formal and casual occasions. Whether you're out hiking or attending a business meeting, this watch feels at home due to its comfortable strap and lightweight materials. One of the standout features of the Conquest Automatic 39 Ceramic is its versatility - it effortlessly transitions from day to night and pairs well with various outfits. If you're looking for a reliable, stylish, and versatile watch that offers exceptional value for money, the Longines Conquest Automatic 39 Ceramic (L3.655.4.86.6) should be on your radar.

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Key Features

Ceramic and stainless steel case
Scratch-resistant sapphire glass
300-meter water resistance
Longines caliber L633.5 automatic movement
38-hour power reserve
Date function
Comfortable strap with 19 mm lug width

Specifications

Brand

Longines

Family

Conquest

Model

Conquest Automatic 39 Ceramic

Reference

L3.655.4.86.6

Movement

l633-5

Movement Features

Hours, Minutes, Seconds
Date

Case

39mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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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Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095

This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.

Condition: Excellent Condition
Case Diameter: 41mm
Thickness: 11.9mm
Bezel Type: Unidirectional rotating Green Ceramic

Posted at

Feb 5, 2025, 2:47 AM

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View listing on RolexForums