Longines Conquest Conquest Automatic 39 Ceramic

Reference L3.655.4.56.2

Longines Conquest Automatic 39 Ceramic

About this watch

The Longines Conquest Automatic 39 Ceramic is a masterclass in luxury watchmaking. This sleek black dial, round case beauty boasts an impressive 300m water resistance rating, making it perfect for swimmers, divers, or anyone who wants to wear their timepiece with confidence. The ceramic and stainless steel construction provides a comfortable fit on the wrist, while the sapphire crystal glass ensures that the beautiful dial remains scratch-free. Powering this stunning watch is the Longines caliber L633.5 movement, which boasts 38 hours of power reserve and operates at an impressive 28,800 vibrations per hour. With its elegant design, robust features, and reputable heritage, the Conquest Automatic 39 Ceramic is a true investment piece that promises longevity and style.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Longines caliber L633.5 automatic movement
  • 300m water resistance rating
  • Sapphire crystal glass for scratch-resistance
  • Ceramic and stainless steel construction for comfort and durability
  • Date function for convenient everyday use
  • 25 jewels to reduce friction and enhance longevity

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 39 Ceramic
Reference
L3.655.4.56.2
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Conquest Vintage $599 Shipped (SERVICED)

Longines Conquest Vintage $599 Shipped (SERVICED)

Longines - 1577-1 · $599
A very rare Longines Conquest automatic watch with a stunning White satin finished sunburst dial and raised indexes. It has a solid build quality, creative design, and a classic look.

  • Condition: Great condition
  • Year: 1976
  • Case Size Diameter: 35.5mm (with crown)
  • Lug To Lug Size: 40.5mm
Posted at
Feb 23, 2026, 9:42 PM
Active
View listing on r/WatchExchange
[WTS] 1980s Longines Conquest Alarm Quartz in Titanium | $330

1980s Longines Conquest Alarm Quartz in Titanium | $330

Longines - Conquest Alarm Quartz · $330
This 1980s Longines Conquest Alarm Quartz features a titanium case with gold-plated accents, an alarm function, and a quartz movement. It's a quirky piece that shows Longines' experimentation with technology during this era.

  • Condition: Good for its age with minor usage marks and wear on the bracelet.
  • Case Size: 33.2 x 37.1mm diameter
  • Movement: ETA 957.011 quartz with alarm and date
Posted at
Feb 23, 2026, 5:08 PM
Active
View listing on r/WatchExchange
[WTS] Longines Conquest 38mm - L3.720.4.52.6

Longines Conquest 38mm - L3.720.4.52.6

Longines - L3.720.4.52.6 · $2,000
This Longines Conquest 38mm features a sunray black dial, is in excellent condition, and includes box and papers.

  • Condition: Excellent condition with light use
  • Size: 38mm diameter
  • Box and papers included: Yes
Posted at
Feb 23, 2026, 4:12 PM
Active
View listing on r/WatchExchange
[WTS] 1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

Longines - 9004-6 · $999
A 1958 stainless steel Longines Conquest Calendar in good condition, featuring a Cal. 19ASD automatic movement and a lightly worn leather strap.

  • Condition: Pre-owned, serviced
  • Case size: 35mm diameter
  • Lug-to-lug: 43mm
  • Thickness: 14.5mm
Posted at
Feb 21, 2026, 12:40 AM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest GMT 41mm L3.790.4

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

  • Bracelet Length: 6.5 inches
  • Case Size: 41mm
Posted at
Feb 19, 2026, 5:35 PM
Active
View listing on r/WatchExchange
[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 and comes with all original boxes and papers.

  • Condition: Brand new
  • Warranty: 9/25 warranty card
Posted at
Feb 19, 2026, 3:47 PM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

  • Condition: very good
  • Case size: 43mm diameter
  • Case wear: normal wear consistent with careful use
Posted at
Feb 18, 2026, 4:40 PM
Active
View listing on r/WatchExchange
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines - Hydroconquest 41m · $975
A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

  • Condition: Used with signs of wear
  • Case diameter: 41 mm
  • Water resistance: 300m / 30 bar
  • Movement: Longines Calibre L888 series with 72hr power reserve
Posted at
Feb 16, 2026, 4:12 PM
Active
View listing on r/WatchExchange
[WTS] Longines Conquest Quartz | 41mm, Complete Set, Black Dial | $425 Shipped

Longines Conquest Quartz | 41mm, Complete Set, Black Dial | $425 Shipped

Longines - L3.759.4.58.6 · $425
This watch is an Explorer-like Longines Conquest Quartz model with a 41mm stainless steel case and a black dial. It's in great condition, having been barely worn in an office environment.

  • Condition: great, barely worn
  • Case diameter: 41mm
  • Movement: Longines Quartz Caliber L157
  • Water depth rating: 300m
Posted at
Feb 12, 2026, 10:49 PM
Active
View listing on r/WatchExchange