Longines Conquest Conquest 39 Automatic Black

Reference L3.676.4.58.6

Longines Conquest 39 Automatic Black

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 Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines - L3.783.4 · $1,900
This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
  • Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Water Resistance: 300m (30 ATM)
Posted at
Apr 15, 2026, 11:30 AM
Active
View listing on r/WatchExchange
[WTS] Longines Conquest L3.835.4.72.6

Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,350
This Longines Conquest features a unique panda dial and is available for sale in excellent condition, almost entirely free of wear.

  • Condition: Excellent condition
  • Payment Methods: crypto, cash, etc (except PayPal)
  • Local Meeting: Yes, available to meet locally in southwest FL
  • Trades Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP only
Posted at
Apr 15, 2026, 10:21 AM
Active
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[WTS] Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines - L3.790.4.56.6 · $1,950
This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.

  • Condition: Excellent pre-owned
  • Case size: 41mm diameter
  • Water resistance: 300m
Posted at
Apr 14, 2026, 9:45 PM
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[WTS] Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1375 SHIPPED

Longines Conquest 38mm Automatic Sunray Black Men's Watch L3.720.4.52.6 - $1375 SHIPPED

Longines - L3.720.4.52.6 · $1,375
A beautiful Longines Conquest Sunray Black watch in 38mm diameter, available for everyday wear and can be dressed up or down.

  • Condition: Great condition, seldom worn
  • Original box and accessories included: true
  • Size: 38mm diameter
Posted at
Apr 13, 2026, 4:52 PM
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[WTS] (Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

Longines - Hydroconquest 42 · $2,200
This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.

  • Condition: LNIB (Like New In Box)
  • Case size: 42mm
  • Water resistance: not specified
Posted at
Apr 13, 2026, 2:48 PM
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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $450 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $450 (message me if you can't see the details/description in the comments)

Longines - 4384 · $450
This vintage Swiss-made Longines 'Conquest' watch features a refined integrated steel sports design, evoking a daring spirit of adventure and discovery. The dial is a subtle in between of grey and light brown, with a vertically brushed linen texture. The case is finely brushed for an industrial look, contrasting with the elegance of the design.

  • Condition: Great considering its age
  • Movement: Longines calibre L.746.2 (ETA 954.111)
  • Bracelet: Integrated solid link bracelet with fine brushed finish and screw pins for easy length adjustment
  • Crystal: Some faint scratches
Posted at
Apr 12, 2026, 10:54 PM
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[WTS] 1 of 60 Longines Conquest 18k 60th Anniversary Reissue - 1954-2014 Conquest Line Edition, 35mm No Date Automatic, Box & Papers with Warranty to 2027, Excellent Condition

1 of 60 Longines Conquest 18k 60th Anniversary Reissue - 1954-2014 Conquest Line Edition, 35mm No Date Automatic, Box & Papers with Warranty to 2027, Excellent Condition

Longines - Conquest 18k 60th Anniversary Reissue · $5,250
This is a Longines Conquest reissue done in solid 18k gold as a celebration of the 60th anniversary of the Longines Conquest line. The watch measures 35mm and has a 42.2mm lug to lug length, 18mm lug width, and 9.95mm thickness.

  • Condition: Excellent Condition
  • Movement: L633
  • Thickness: 9.95mm
  • Lug width: 18mm
Posted at
Apr 12, 2026, 12:13 PM
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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
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