Longines Conquest Conquest Chronograph

Reference L3.678.4.56.6

About this watch

The Longines Conquest Chronograph is a masterpiece of luxury watchmaking, combining elegance with precision. Its sleek design, adorned with stick and dot indexes, provides a clean, modern look. The chronograph sub-dials are strategically placed for functionality without overwhelming the design, striking a perfect balance between style and utility. At its core lies the Longines caliber L667, an automatic movement based on the renowned ETA 7750, boasting 25 jewels and a power reserve of 42 hours. This marvel of engineering ensures precision timekeeping and reliability, making it suitable for both casual wear and formal occasions. The watch's durable materials and water resistance rating of 50 meters make it perfect for everyday use, while its comfortable fit and secure stainless steel bracelet ensure an all-day wear experience.
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Key Features

  • Longines caliber L667 (ETA 7750 base)
  • Sapphire crystal glass
  • Stainless Steel case material
  • Water Resistance: 50.00 m

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Chronograph
Reference
L3.678.4.56.6
Movement
l667
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

  • Condition: very good
  • Case size: 43mm diameter
  • Case wear: normal wear consistent with careful use
Posted at
Feb 18, 2026, 4:40 PM
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

  • Condition: Used with signs of wear
  • Case diameter: 41 mm
  • Water resistance: 300m / 30 bar
  • Movement: Longines Calibre L888 series with 72hr power reserve
Posted at
Feb 16, 2026, 4:12 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