Longines Conquest Conquest Chronograph
Reference L3.678.4.76.6
About this watch
The Longines Conquest Chronograph L3.678.4.76.6 is a stunning watch that embodies the brand's dedication to quality and craftsmanship. With a reputation built on heritage, elegance, and innovation, Longines offers timepieces that appeal to both watch enthusiasts and casual wearers alike. The Conquest series is particularly noteworthy, designed for those who appreciate both sports and elegance. The beating heart of the Conquest Chronograph is the Longines caliber L667, an automatic movement with 25 jewels, a 42-hour power reserve, and a frequency of 28,800 vibrations per hour. This movement ensures that the watch keeps accurate time, making it suitable for both daily wear and special occasions. One of the standout features of this model is its chronograph functionality, allowing you to measure elapsed time with precision. The Conquest Chronograph features a robust stainless steel case that exudes strength while maintaining a polished look. With a diameter of 41mm, it strikes a perfect balance between presence and wearability. The silver color adds a classic touch, making it versatile enough to pair with various outfits. Protected by sapphire glass, the watch is resistant to scratches and everyday wear, ensuring that it looks pristine even after years of use. Comfort is key when it comes to wearing a watch, and the Longines Conquest Chronograph delivers.
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Key Features
- Automatic movement
- 42-hour power reserve
- Chronograph functionality
- Stainless steel case
- Sapphire crystal glass
- Water resistance 300 meters
- 41mm diameter
Specifications
- Brand
- Longines
- Family
- Conquest
- Model
- Conquest Chronograph
- Reference
- L3.678.4.76.6
- Movement
- l667
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph
- Case
- Stainless Steel 41mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 300
Current Listings
![[WTS] Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.](https://preview.redd.it/q87s2169hozg1.jpg?width=640&crop=smart&auto=webp&s=ea163d3c8d0e0ecac6b09e09c73bf296af8af1fb)
Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.
A Longines Hydroconquest 43mm watch on a black dial with a stainless steel bracelet, now on an Ali Rubber strap.
- Condition: Mint condition, worn approximately 5 times
- Case size: 43mm diameter
- Lug to lug: 53mm
- Thickness: 11.90mm
![[WTS] Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $435 (details/description in the comments)](https://preview.redd.it/nwoenjvdfmzg1.jpg?width=640&crop=smart&auto=webp&s=e145ef259409989622f4a51e4fd27abbb95eabae)
Longines "Conquest" Swiss-Made 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $435 (details/description in the comments)
This vintage Swiss-made Longines 'Conquest' watch is a beautiful and refined example of an integrated steel sports watch. The dial shape is very '70s with its TV dial shape, featuring a subtle in between of grey and light brown color with a vertically brushed linen texture.
- Condition: Great condition considering its age, only minor general wear
- Movement: Longines calibre L.746.2 (Swiss-made ESA ETA 954.111)
- Bracelet Type: Integrated solid link bracelet
- Bracelet Dimensions: Accommodates up to roughly 18cm wrist size
![[WTS] Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢](https://preview.redd.it/mjmjn7gaemzg1.jpg?width=640&crop=smart&auto=webp&s=40f67ac5acf667b2aa39f94a12de36a7ca27326f)
Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢
This Longines Hydroconquest is a 41mm two-tone diver's watch with a quartz movement.
- Condition: Used with light scratches
- Size: 41mm diameter
![[WTS] 2025 Longines Hydroconquest 41mm Ref: L37814056](https://preview.redd.it/ya49a4pp1mzg1.jpg?width=640&crop=smart&auto=webp&s=cb113d6816c7a2fe45079651eea6800af76c44d8)
2025 Longines Hydroconquest 41mm Ref: L37814056
This listing is for a 2025 Longines Hydroconquest 41mm watch, featuring an automatic self-winding caliber L888.5, unidirectional green ceramic bezel, and 300M water resistance.
- Condition: Like new with some minor marks on the bracelet and buckle
- Case size: 41mm
- Bracelet type: Stainless steel
- Water resistance: 300m depth rating
![[WTS] Longines Hydroconquest 42 mm “Green” 2026](https://preview.redd.it/hm9dwcf6qlzg1.jpg?width=640&crop=smart&auto=webp&s=1980c64f607b394182742d8f0b65514a62f73a2a)
Longines Hydroconquest 42 mm “Green” 2026
Up for sale is one of my new Longines Hydroconquest 42mm watches, I purchased several but find myself gravitating towards other models.
- Condition: New
- Case size: 42mm diameter
![[WTS] (Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn](https://preview.redd.it/fsb6xre45lzg1.jpg?width=640&crop=smart&auto=webp&s=a209b82914969f35eb9b0ccefdfa7e6763495a5f)
(Longines) (2026 Hydroconquest 39mm Commonwealth) Brand New and Unworn
This is a Limited Edition Hydroconquest Commonwealth Games watch from Longines, purchased brand new from an authorized dealer and still under warranty.
- Case diameter: 39mm
- Box condition: great condition with exception of price sticker on outer box
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.
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