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. Conquest. Full Kit & Mint. 41mm. $1299 Cheap

Longines. Conquest. Full Kit & Mint. 41mm. $1299 Cheap

Longines - Conquest · $1,299
This Conquest watch from Longines is a full kit and in mint condition, featuring a 41mm size.

  • Condition: 9.25/10
  • Bracelet: OEM bracelet with full links
  • Asking Shipping: plus $30 for ground, +$40 for 2 day, +$55 for overnight
Posted at
May 21, 2026, 3:52 PM
Active
[WTS] Longines Conquest VHP | HAQ (High Accuracy Quartz)

Longines Conquest VHP | HAQ (High Accuracy Quartz)

This watch features a High Accuracy Quartz movement, perpetual calendar, power saving feature, and shock and magnetic protection. It's available in the 41mm model and comes with original box and all links.

  • Condition: great condition with minor scratches on the bracelet
  • Movement Accuracy: +-5s/year
  • Case Size: 41mm
  • Bracelet Condition: minor scratches
Posted at
May 21, 2026, 2:52 PM
Active
[WTS] Longines hydroconquest 39 mm green

Longines hydroconquest 39 mm green

This Longines HydroConquest is a recent purchase from a US authorized dealer, still in its original packaging and with all papers.

  • Condition: great condition
  • Bracelet condition: has a small ding on the clasp
  • Box and paper status: all included
  • Additional strap type: aftermarket rubber
Posted at
May 21, 2026, 9:48 AM
Active
[WTS] Longines HydroConquest 39mm Blue – Full Set – Excellent Condition

Longines HydroConquest 39mm Blue – Full Set – Excellent Condition

This Longines HydroConquest is a 39mm watch with an automatic movement and ceramic bezel, featuring a blue dial and bezel.

  • Condition: Excellent Condition
  • Case size: 39mm diameter
Posted at
May 21, 2026, 4:05 AM
Active
[WTS] RARE CONFIGURATION Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Worn | Full Kit | Warranty Card 5/8/26

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

Longines - L3.788.4.06.6 · $2,285
This is a rare configuration Longines HydroConquest 42mm watch with a green ceramic bezel and a green lacquered dial. It features an automatic movement, 300m water resistance, and a full kit including the original box, papers, and warranty card.

  • Condition: never worn
  • Bracelet: upgraded Longines mesh style bracelet
  • Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
  • Water Resistance: 300m / 30 bar
Posted at
May 20, 2026, 3:53 PM
Active
[WTS] Longines Conquest Chronograph $499 Shipped

Longines Conquest Chronograph $499 Shipped

Longines - L3.660.4 · $499
This Longines Conquest Chronograph features a stunning Silverish White sunburst dial with raised indices and three register chronograph subdials, housed in a robust sporty case.

  • Condition: Great condition
  • Case size: 41mm diameter
  • Lug to lug: 50mm
  • Thickness: 13mm
Posted at
May 18, 2026, 7:59 PM
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[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
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[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