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 Hydroconquest Commonwealth 39mm BNIB

Longines Hydroconquest Commonwealth 39mm BNIB

The Longines Hydroconquest Commonwealth is a limited edition watch from 2026, available in 39mm size. It comes with inner and outer boxes, tags, papers, and warranty.

  • Condition: Brand New In Box (BNIB)
  • Case size: 39mm
  • Limited edition: 2026
Posted at
May 12, 2026, 6:50 PM
Active
[WTS] Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines - L3.779.4.09.9 · $2,950
A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.

  • Condition: Mint
  • Case Size: 39mm
  • Limited Edition Quantity: 2026 pieces
  • Warranty Length: five years
Posted at
May 12, 2026, 4:37 PM
Active
[WTS] Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.

  • Condition: Excellent daily-wear, shows wear from use on the bracelet
  • Case Size: 39mm diameter
  • Bracelet Type: black ceramic bezel + bracelet + WOE NATO
Posted at
May 12, 2026, 4:18 PM
Active
[WTS] Longines Conquest L3.720.4.02 — 38mm — Box and Papers — $1,499 Shipped 🔥

Longines Conquest L3.720.4.02 — 38mm — Box and Papers — $1,499 Shipped 🔥

Longines - L3.720.4.02 · $1,499
A clean and versatile Longines Conquest in the desirable 38mm case size with excellent everyday sports watch features and strong wrist presence.

  • Condition: Good overall, light hairlines on bezel, case, and bracelet
  • Case Size: 38mm
  • Wrist Fit: ~8"
Posted at
May 11, 2026, 9:36 PM
Active
[WTS] Longines Conquest 41mm L3.759.4.96.6

Longines Conquest 41mm L3.759.4.96.6

A stainless steel Conquest watch with a 41mm case, quartz movement, and water resistance up to 300m. It features a scratch-resistant sapphire crystal, screw-down crown, and comes with a full link butterfly bracelet.

  • Condition: 8/10
  • Case size: 41mm diameter
  • Water depth rating: 300m / 1000 feet
  • Thickness: 11.80mm
Posted at
May 11, 2026, 4:40 PM
Active
[WTS] - Longines Conquest Auto - 41mm - previous generation

- Longines Conquest Auto - 41mm - previous generation

Two Longines Conquest Auto watches for sale, both in excellent condition. One is almost new and the other has honest wear throughout. Both have black dials and are 41mm automatic watches.

  • Condition: almost new, good
  • Bracelet size: 21mm
  • Wrist size fit: 8.5"
  • First watch price: 775
Posted at
May 11, 2026, 3:49 PM
Active
[WTS] 2026 Longines Conquest Chronograph 42mm Silver / Blue Dial L3.835.4.98.6 Auto FULL SET

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
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines Hydroconquest Quartz Two Tone 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
Active
[WTS] Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers

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
Active