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

Current Listings

Longines Hydroconquest Blue 39mm - $1150

Longines - Hydroconquest · $1,150

A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

Condition: Great condition
Year purchased: 2025
Warranty duration: 5 years

Posted at

Mar 1, 2026, 8:14 PM

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Longines Conquest L37774580 – 41mm Automatic – Black Dial – New in Box – Full Kit – $625 Shipped

Longines - L37774580 · $625

The seller is listing a Longines Conquest L37774580, a 41mm automatic watch with a black dial. It comes in its original packaging and is a full kit.

Condition: New
Case size: 41mm

Posted at

Feb 27, 2026, 4:10 PM

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Longines Hydroconquest 41mm Two Tone

Longines - Hydroconquest 41mm Two Tone · $999

A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.

Condition: Very Good Pre Owned Condition
Diameter: 41mm

Posted at

Feb 27, 2026, 3:34 PM

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Longines Conquest Vintage $599 Shipped (SERVICED)

Longines - 1577-1 · $599

A very rare Longines Conquest automatic watch with a stunning White satin finished sunburst dial and raised indexes. It has a solid build quality, creative design, and a classic look.

Condition: Great condition
Year: 1976
Case Size Diameter: 35.5mm (with crown)
Lug To Lug Size: 40.5mm

Posted at

Feb 23, 2026, 9:42 PM

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1980s Longines Conquest Alarm Quartz in Titanium | $330

Longines - Conquest Alarm Quartz · $330

This 1980s Longines Conquest Alarm Quartz features a titanium case with gold-plated accents, an alarm function, and a quartz movement. It's a quirky piece that shows Longines' experimentation with technology during this era.

Condition: Good for its age with minor usage marks and wear on the bracelet.
Case Size: 33.2 x 37.1mm diameter
Movement: ETA 957.011 quartz with alarm and date

Posted at

Feb 23, 2026, 5:08 PM

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