Longines Conquest Conquest 39 Automatic Blue

Reference L3.676.4.99.6

About this watch

The Longines Conquest L3.676.4.99.6 is an elegant statement piece that seamlessly blends style and functionality. This Swiss-made watch boasts a rich blue dial, stainless steel case, and sapphire glass. The automatic movement features 25 jewels, a power reserve of 38 hours, and a date function. With a water resistance of up to 300 meters, this watch is perfect for any adventure. Its versatility makes it suitable for both formal and casual occasions. The Conquest L3.676.4.99.6 is a mid-range luxury watch that offers excellent value for money, thanks to its craftsmanship and brand reputation.
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Key Features

  • Stainless Steel Case
  • Sapphire Glass
  • Automatic Movement with Date Function
  • Up to 300m Water Resistance
  • 39mm Case Diameter
  • Longines Caliber L633.5 Movement
  • 25 Jewels, 38hr Power Reserve

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 39 Automatic Blue
Reference
L3.676.4.99.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest GMT 41

Longines HydroConquest GMT 41

Longines - L3.790.4 · $1,875
A Longines HydroConquest GMT 41, featuring a GMT function and 41mm case size.

  • Condition: Pre-owned with minor cosmetic flaws
  • Case size: 41mm diameter
  • Water resistance: not specified
Posted at
Mar 11, 2026, 3:01 PM
Active
[WTS] Longines HydroConquest 41mm - $1200 Shipped

Longines HydroConquest 41mm - $1200 Shipped

Up for sale is my green Longines Hydroconquest 41, which I'm looking to replace with a Tudor Royal Date Day. The watch has been well taken care of and comes in excellent condition.

  • Condition: great condition with a small scratch on the AR coating
  • Bracelet condition: touched up
Posted at
Mar 10, 2026, 10:24 PM
Active
[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $475 (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) $475 (message me if you can't see the details/description in the comments)

A vintage Swiss-made Longines 'Conquest' watch with an integrated steel sports design, evoking elegance and simplicity. The watch features a TV dial shape, vertically brushed linen texture dial, and a high-polish bezel.

Posted at
Mar 7, 2026, 9:42 PM
Active
[WTS] 2025 Longines HydroConquest 39 - $950

2025 Longines HydroConquest 39 - $950

This is a 2025 Longines HydroConquest 39, a great everyday diver presented as a complete set. It has honest signs of wear and comes with a watch maxx kit, box, papers, and full links.

  • Condition: Good overall condition with visible signs of wear
  • Year: 2025
  • Included Accessories: Watch maxx kit,Box,Papers,Full links
  • Shipping Options: Buyer add $30 FedEx 2-Day Air or provide own label
Posted at
Mar 7, 2026, 5:21 PM
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