Longines Conquest Conquest 39 Automatic Blue

Reference L3.676.4.99.6

Longines Conquest 39 Automatic Blue

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] USA - Longines Conquest 41mm - Green $1750 - Like New

USA - Longines Conquest 41mm - Green $1750 - Like New

Longines - L3.830.4.02.6 · $1,750
This 2024 Longines Conquest features a 41mm green dial and stainless steel bracelet, with additional accessories including a rubber strap and full links.

  • Condition: Like new (9/10 condition)
  • Case Size: 41mm
  • Bracelet Type: Stainless steel
  • Strap Type: Green rubber (aftermarket)
Posted at
May 1, 2026, 8:30 PM
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[WTS] Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines - L3.790.4.96.6 (2026) · $1,999
The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.

  • Condition: Brand New
  • Case diameter: 41mm
  • Water resistance: 300m
  • Movement type: Calibre L844.5 automatic
Posted at
May 1, 2026, 8:25 PM
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[WTS] Longines Conquest L3.835.4.72.6

Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,250
This Longines Conquest features a unique panda dial in excellent condition, complete with the original set.

  • Condition: excellent condition
  • Payment Methods: crypto, cash, etc (except PayPal)
  • Other Payment Conditions: local pickup available
  • Trade In Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 1, 2026, 10:57 AM
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[WTS] New Longines Hydroconquest 42mm Frosted Blue Dial

New Longines Hydroconquest 42mm Frosted Blue Dial

Longines - Hydroconquest 42mm · $2,200
A brand new Longines Hydroconquest 42mm with a frosted blue dial, sold exclusively at Corporate boutiques. The watch comes with all links, papers, and box.

  • Condition: Brand new
  • Diameter: 42mm
Posted at
May 1, 2026, 10:36 AM
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[WTS] 2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

Longines - L37884906 · $1,900
The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.

  • Condition: Excellent (pre-owned, minimal wear)
  • Year: 2026
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
Apr 30, 2026, 10:26 PM
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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines - 4384 · $440
This vintage Swiss-made Longines 'Conquest' is a beautiful example of an integrated steel sports watch from the late-1970s. The design embodies elegance and simplicity with its TV dial shape, high polish stick indices, and finely brushed case.

  • Condition: Great condition, minor general wear
  • Bracelet type: Integrated solid link
  • Bracelet material: Steel
  • Bracelet finish: Finely brushed
Posted at
Apr 28, 2026, 11:43 PM
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[WTS] 1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $650

1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $650

Longines - 7012.1 Cal.291 · $650
This 1960s Longines Conquest is a classic everyday piece from the brand's golden era, featuring a clean and well-proportioned design backed by an in-house movement.

  • Condition: Great serviced condition
  • Case size: 35mm
  • Lug width: 18mm
  • Crystal material: plexiglass
Posted at
Apr 28, 2026, 11:25 AM
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[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
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[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

Longines - HydroConquest 43mm · $800
A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
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