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

OEM Longines HydroConquest GMT 41mm Black Rubber Strap (21mm) w/ OEM Deployant Clasp – Excellent

Longines - HydroConquest GMT 41mm · $350

A Longines HydroConquest GMT watch with a 41mm black rubber strap and deployant clasp, featuring a comfortable on-the-fly micro-adjust mechanism. The watch has been worn sparingly and shows minimal signs of wear.

Condition: Lightly used
Lug width: 21mm
Clasp type: deployant

Posted at

Mar 22, 2026, 3:26 PM

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Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition

Longines - Hydroconquest GMT 41mm · $1,350

A Longines Hydroconquest GMT 41mm with a sunray brown dial and ceramic bezel insert, featuring an updated bezel and quick-adjust bracelet. It has a true GMT movement that keeps excellent time.

Condition: Excellent
Case size: 41mm
Lug-to-lug: 49.2mm
Thickness: 12.8mm

Posted at

Mar 21, 2026, 12:28 PM

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1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $700

Longines - 7012.1 Cal.291 · $700

This 1960s Longines Conquest Ref. 7012.1 Cal.291 is a clean, well-proportioned everyday piece from Longines' golden era. It features an automatic movement with Incabloc shock protection and a self-winding system.

Condition: Great condition, serviced
Case Size: 35mm diameter
Lug Width: 18mm
Crystal Type: plexiglass

Posted at

Mar 19, 2026, 12:40 AM

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Longines HydroConquest 41mm Two Tone $1750

Longines - HydroConquest · $1,750

Longines HydroConquest in a two-tone version, sold as-is.

41mm diameter: case size

Posted at

Mar 18, 2026, 12:52 PM

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Longines Hydroconquest Two-tone 41mm

Longines - Hydroconquest 41mm Two-Tone · $1,150

This Longines Hydroconquest Two-Tone is a 41mm watch that comes with all its original components, including a blank card.

Condition: Absolutely beautiful condition!
Case size: 41mm

Posted at

Mar 16, 2026, 1:57 PM

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[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $465 (message me if you can't see the details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet Calibre L.746.2 Ref.4384 (ETA 954.111) $465 (message me if you can't see the details/description in the comments)

Longines - 4384 · $465

This vintage Swiss-made Longines "Conquest" is a beautiful example of an integrated steel sports watch. The dial shape is very '70s with its TV dial shape, featuring a subtle grey and light brown color with a vertically brushed linen texture.

Condition: Great condition considering its age, with minor general wear
Diameter: 30.2mm x 37.8mm
Thickness: 7.7mm

Posted at

Mar 15, 2026, 10:53 PM

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Longines Hydroconquest GMT 41mm

Longines - Hydroconquest GMT 41mm · $1,825

The Longines Hydroconquest GMT is a blue-dialed watch featuring a GMT complication, housed in a 41mm case. It comes with a complete full set and eBay verification.

Condition: Pre-owned with minor wear
Case size: 41mm
Bracelet condition: Minor wear

Posted at

Mar 15, 2026, 5:06 PM

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Longines Conquest V.H.P. 36mm - White Dial - (Reserved)

Longines - L3.316.4.76.6 · $475

This is a Longines Conquest V.H.P. in white dial, featuring a 36mm case size and 'very high precision' quartz movement with an accuracy of about 5 seconds per year.

Condition: A- (minor marks on case, serviced by Longines)
Dial color: white
Case size: 36mm diameter
Movement type: quartz (VHP)

Posted at

Mar 15, 2026, 2:19 PM

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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

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