Longines Conquest Conquest Automatic 39 Ceramic

Reference L3.655.4.56.0

About this watch

The Longines L3.655.4.56.0 Conquest Automatic 39 Ceramic is a masterpiece that seamlessly blends elegance with functionality, perfect for those who value style, durability, and performance. This timepiece boasts a rich history behind it, being part of the esteemed Longines brand founded in 1832. The Conquest collection is renowned for its sporty elegance, making this watch suitable for both urban and outdoor settings. Its ceramic and stainless steel construction provides a luxurious yet robust appeal, while the striking black dial adds a touch of modernity. With a diameter of 39 mm and lug width of 19 mm, it's comfortable to wear and suitable for various wrist sizes. The sapphire crystal glass is scratch-resistant, making it perfect for active individuals. At its heart lies the reliable Longines caliber L633.5 (ETA 2824-2) automatic movement, celebrated for its accuracy and reliability. With a power reserve of 38 hours and frequency of 28,800 vibrations per hour, this watch ensures smooth ticking and practicality. Its impressive water resistance of up to 300 meters makes it suitable for swimming or diving without worry. Whether you're lounging by the pool or exploring underwater, the Conquest Automatic 39 Ceramic has got your back.
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Key Features

  • Longines caliber L633.5 automatic movement
  • Sapphire crystal glass with scratch resistance
  • Ceramic and stainless steel construction
  • Water resistance up to 300 meters
  • Date function with accuracy and reliability
  • Stunning black dial with modern touch
  • Lightweight design for comfort

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 39 Ceramic
Reference
L3.655.4.56.0
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines - L3.720.4.02.9 · $1,699
This Longines Conquest features a rubber strap in green, with a deployment clasp and comes with all original boxes and papers.

  • Condition: Brand new
  • Strap material: rubber
  • Strap color: green
Posted at
Mar 24, 2026, 2:22 PM
Active
[WTS] Longines 9004-6 Conquest Calendar (1958) — Cal. 19ASD — Freshly Serviced — $899 Shipped

Longines 9004-6 Conquest Calendar (1958) — Cal. 19ASD — Freshly Serviced — $899 Shipped

Longines - 9004-6 · $899
A 1958 stainless steel Longines Conquest Calendar in excellent condition with a natural bubble patina on the dial and crisp hands. The watch has an automatic movement and features a date function via crown rotation.

  • Condition: Pre-owned with recently serviced movement
  • Movement: Cal. 19ASD automatic (18,000 vph, 19 jewels)
  • Case size: 35mm diameter
  • Lug-to-lug length: 43mm
Posted at
Mar 24, 2026, 1:55 PM
Active
[WTS] Longines Conquest 41mm L3.830.4.92.6 Blue Dial - New/Unworn - $1,800

Longines Conquest 41mm L3.830.4.92.6 Blue Dial - New/Unworn - $1,800

Longines - L3.830.4.92.6 · $1,800
This Longines Conquest L3.830.4.92.6 features a blue sunburst dial and is in perfect condition, having never been worn.

  • Condition: New/Unworn
  • Case size: 41mm diameter
Posted at
Mar 24, 2026, 9:23 AM
Active
[WTS] Longines Hydroconquest with Box+Papers

Longines Hydroconquest with Box+Papers

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

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

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
Active
[WTS] Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition

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

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

1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $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
[WTS] Longines HydroConquest 41mm Two Tone $1750

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
Active
[WTS] Longines Hydroconquest Two-tone 41mm

Longines Hydroconquest Two-tone 41mm

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
Active