Longines Conquest Conquest 39 Automatic Black

Reference L3.676.4.58.6

About this watch

The Longines Conquest 39 Automatic Black is a masterpiece of Swiss watchmaking, blending elegance, functionality, and durability in perfect harmony. This stunning timepiece features a sleek black dial with mixed indexes, complemented by silver-tone hands that glide smoothly across the surface. The date display at 3 o'clock adds a touch of practicality to this versatile watch, suitable for both casual and formal occasions. With its robust stainless steel case, polished finish, and sapphire crystal, this watch exudes luxury and sophistication. The beating heart of the Conquest 39 is the Longines caliber L633.5, based on the renowned ETA 2824-2 movement, boasting an impressive frequency of 28,800 vibrations per hour. This automatic movement offers precision timekeeping, with a power reserve of 38 hours and 25 jewels that reduce friction for enhanced longevity. The stainless steel bracelet provides a comfortable fit, while its lightweight yet sturdy design makes it perfect for extended wear. Whether you're looking for a reliable timepiece or a statement piece that speaks to your appreciation for quality craftsmanship, the Longines Conquest 39 Automatic Black is an exceptional choice.
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Key Features

  • Longines caliber L633.5 movement
  • Sapphire crystal glass
  • 300 meters water resistance
  • Stainless steel case and bracelet
  • Polished finish
  • Date display at 3 o'clock
  • Lightweight yet sturdy design

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 39 Automatic Black
Reference
L3.676.4.58.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Conquest Rubber Strap L3.720.4.02.9 $1,599

Longines Conquest Rubber Strap L3.720.4.02.9 $1,599

Longines - L3.720.4.02.9 $1,599
The Longines Conquest features a rubber strap in green, with a deployment clasp and comes with all original boxes and papers.

  • Condition: Brand new
  • Warranty: 9/25 warranty card
  • Payment Methods: Zelle or Wire
Posted at
Jan 26, 2026, 1:09 PM
Active
[WTS] Longines Conquest V.H.P. 43mm - White Dial - Ref. L3.726.4.76.6 - High Accuracy Quartz - Box & Extra Strap

Longines Conquest V.H.P. 43mm - White Dial - Ref. L3.726.4.76.6 - High Accuracy Quartz - Box & Extra Strap

Longines - L3.726.4.76.6 $950
This Longines Conquest V.H.P. is a high-accuracy quartz watch featuring a white dial and a 43mm case.

  • Case Size: 43mm diameter
  • Dial Color: white
Posted at
Jan 24, 2026, 11:37 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 $999
A 2024 Longines HydroConquest watch with a 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
  • Year: 2024
Posted at
Jan 23, 2026, 6:43 PM
Active
[WTS] 1980s Longines Conquest Alarm Quartz in Titanium | $350

1980s Longines Conquest Alarm Quartz in Titanium | $350

A unique 1980s Longines Conquest Alarm Quartz watch featuring a titanium case with gold-plated accents and an alarm function. The watch has been recently cleaned and fitted with a new battery.

  • Condition: Good for its age, with minor usage marks and some wear on the bracelet
  • Case size: 33.2 x 37.1mm titanium case
  • Thickness: 7.6mm
  • Movement: ETA 957.011 quartz with alarm and date
Posted at
Jan 23, 2026, 1:36 PM
Active
[WTS] Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines - L1.615.3 $325
A stainless steel/gold plated Longines Conquest Day-Date watch with a 34mm case size and stardust dial texture.

  • Condition: Mint
  • Case size: 34mm
  • Bracelet length: 8 inches
Posted at
Jan 22, 2026, 8:34 AM
Active
[WTS] Longines Conquest 38mm Full Kit 2025

Longines Conquest 38mm Full Kit 2025

Longines - Conquest $1,450
This Longines Conquest 38mm is a fantastic everyday piece with all the boxes and accessories included. It runs well and fits perfectly.

  • Condition: Fantastic condition
  • Case size: 38mm
  • Strap type: Rubber strap
  • Adjustment feature: Micro adjust
Posted at
Jan 18, 2026, 3:43 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 $999
A 2024 Longines HydroConquest watch with a black ceramic case and 43mm diameter.

  • Case material: black ceramic
  • Case size: 43mm diameter
  • Year of manufacture: 2024
Posted at
Jan 16, 2026, 3:58 PM
Active
[WTS] Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines - L1.615.3 $325
A Longines Conquest Day-Date watch features a stainless steel and gold-plated case, measuring approximately 34mm in size. The dial has a beautiful stardust texture and the quartz movement is working perfectly fine.

  • Condition: Mint
  • Case Size: 34mm diameter
  • Bracelet Length: 8 inches
Posted at
Jan 14, 2026, 8:25 AM
Active
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

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
Active