Longines Conquest Conquest Automatic 39

Reference L3.656.4.56.6

About this watch

The Longines Conquest Automatic 39 is an exceptional watch that combines elegance, versatility, and performance. Its sleek stainless steel case and black dial exude sophistication, while its robust build quality ensures durability. With a power reserve of 38 hours and a water resistance of up to 300 meters, this watch is perfect for both everyday wear and special occasions. The Longines caliber L633.5 movement provides accurate timekeeping, making it a reliable companion for any adventure. Whether you're attending a formal dinner or embarking on an outdoor expedition, the Conquest Automatic 39 is the ultimate accessory. Its affordable price point of $840 makes it an exceptional value in the world of automatic watches.
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Key Features

  • Longines caliber L633.5 movement
  • Sleek stainless steel case
  • Black dial with stick indexes and luminous hands
  • 38-hour power reserve
  • 300-meter water resistance
  • Ergonomic fit and lightweight design
  • Accurate timekeeping

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 39
Reference
L3.656.4.56.6
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 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
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[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
[WTS] Longines Conquest L3.835.4.72.6

Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,175
This Longines Conquest features a panda dial and is available for sale in excellent condition, with almost no signs of wear.

  • Condition: Excellent condition
  • Payment Methods: Crypto, other methods accepted (fee applies)
  • Location: Southwest FL
  • Trades Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 15, 2026, 2:33 PM
Active