Longines Conquest Conquest Automatic 39

Reference L3.656.4.76.0

About this watch

The Longines Conquest Automatic 39 is a stunning representation of the brand's commitment to quality and style. With its classic design and robust features, it’s a watch that can seamlessly transition from a formal setting to casual outings. The 39mm diameter strikes a perfect balance—not too big, not too small—making it suitable for a variety of wrist sizes. Crafted from stainless steel, the Conquest Automatic 39 is built to last. The sapphire glass provides scratch resistance, ensuring that your watch remains pristine even with daily wear. At the core of the Longines Conquest Automatic 39 is the reliable Longines caliber L633.5. This automatic movement is based on the ETA 2824-2, a workhorse in the watch industry known for its precision and durability.
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Key Features

  • Longines caliber L633.5 automatic movement
  • Stainless steel construction with sapphire glass
  • 300 meters water resistance
  • 39mm diameter and 19mm lug width
  • White dial with mixed indexes and stick hands
  • Reliable and durable ETA 2824-2 base movement

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 39
Reference
L3.656.4.76.0
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
White
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 39mm black bezel - 2026 release

Longines Hydroconquest 39mm black bezel - 2026 release

A 39mm black bezel Longines Hydroconquest with a black dial, sold in full kit and unregistered for warranty purposes.

  • Condition: Like-new
  • Case diameter: 39mm
  • Condition notes: No scratches anywhere on the case, crystal or bracelet
Posted at
May 18, 2026, 4:29 PM
Active
[WTS] Longines Conquest V.H.P. 36mm (L3.316.4.76.6) - $450

Longines Conquest V.H.P. 36mm (L3.316.4.76.6) - $450

This Longines Conquest V.H.P. is a 36mm quartz watch featuring a white dial and high accuracy, rated +/- 5 seconds per year. It's officially listed as silver but appears white to the seller.

  • Condition: Excellent with minor daily wear
  • Case diameter: 36mm
  • Lug width: 18mm
  • Bracelet size: 6.75"
Posted at
May 17, 2026, 4:03 PM
Active
[WTS] Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers - $1,099

Longines Heritage Conquest - L1.611.4 - Great Condition - Box and Papers - $1,099

Longines - L1.611.4 · $1,099
This Longines Heritage Conquest features a silver dial and comes with original band, buckle, box, papers, an extra strap, and is in immaculate condition.

  • Condition: Excellent
  • Band Condition: Great
  • Buckle Condition: Great
Posted at
May 17, 2026, 12:54 PM
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

A Longines Hydroconquest quartz two-tone diver watch, featuring a black dial and 41mm case size.

  • Condition: Pre-owned with light scratches
  • Case size: 41mm
  • Material: two tone
Posted at
May 17, 2026, 9:13 AM
Active
[WTS] Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $430 (details/description in the comments)

Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $430 (details/description in the comments)

Longines - 4384 · $430
This vintage Swiss-made Longines 'Conquest' watch features a refined integrated steel sports design with a subtle dial shape and elegant simplicity. It houses the Longines calibre L.746.2, a beautiful early quartz movement that works well to this day.

  • Condition: Great condition considering age, minor general wear
  • Case Dimensions: 30.2mm x 37.8mm x 7.7mm
  • Bracelet Length Capacity: up to roughly 18cm
Posted at
May 16, 2026, 10:52 PM
Active
[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

This Longines Hydroconquest is a fun and capable diver that comes in the 41mm version, featuring a black dial and quartz movement.

  • Condition: pre-owned with light scratches
  • Case Size: 41mm
  • Movement Type: quartz
Posted at
May 16, 2026, 7:05 PM
Active
[WTS] Longines Hydroconquest 39mm black bezel/dial

Longines Hydroconquest 39mm black bezel/dial

This Longines Hydroconquest 39mm features a black bezel and dial, is in excellent condition, and comes with its full kit including boxes, hangtags, warranty card, and owner's manual.

  • Condition: Like-new
  • Case size: 39mm diameter
  • Box status: full-kit
  • Warranty remaining: five years
Posted at
May 16, 2026, 5:17 PM
Active
[WTS] Longines HydroConquest Two Tone Green Dial $1499

Longines HydroConquest Two Tone Green Dial $1499

Longines - HydroConquest · $1,499
Longines HydroConquest Two Tone Green Dial for sale

Posted at
May 16, 2026, 11:33 AM
Active
[WTS] Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines - L3.788.4.06.6 · $1,999
This is the first real redesign the HydroConquest has seen in nearly a decade with thinner case and upgraded ceramic bezel with audible click.

  • Condition: Never sized, never worn
  • Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
  • Water resistance: 300m / 30 bar
  • Box papers: Full double-box set with instruction manual and tags present
Posted at
May 16, 2026, 10:58 AM
Active