Longines Conquest Conquest 39 Automatic Stainless Steel / Black / Bracelet

Reference L3.776.4.58.6

About this watch

The Longines Conquest L3.776.4.58.6 is a masterpiece of luxury watchmaking, boasting an automatic movement with a 65-hour power reserve and a robust water resistance of 300 meters. Its sleek stainless steel case and scratch-resistant sapphire glass make it a stylish companion for any occasion. Whether you're a seasoned adventurer or a discerning fashionista, this timepiece is sure to impress. With its elegant design and high-quality craftsmanship, the Conquest L3.776.4.58.6 embodies the spirit of adventure and sophistication.
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Key Features

  • Longines caliber L888.2 automatic movement
  • Stainless steel case with polished finish
  • Scratch-resistant sapphire glass
  • Water resistance up to 300 meters
  • Adjustable stainless steel bracelet
  • Mixed indexes and stick hands for precise time-reading

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 39 Automatic Stainless Steel / Black / Bracelet
Reference
L3.776.4.58.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest 41mm

Longines HydroConquest 41mm

Longines - L3.781.4.96.6 · $1,100
A Longines HydroConquest 41mm watch with a blue sunburst dial, featuring a clean crystal and flawless dial.

  • Condition: Excellent pre-owned condition
  • Diameter: 41mm
Posted at
Apr 15, 2026, 3:43 PM
Active
[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
[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
[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
Active
[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
Active
[WTS] (Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

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

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
Active
[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
Active
[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

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
Active
[WTS] Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines - L3.784.4.56.9 · $2,500
This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.

  • Condition: MINT
  • Case diameter: 43mm
  • Thickness: 13mm
  • Lug-to-lug length: 56mm
Posted at
Apr 10, 2026, 8:26 PM
Active