Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Ceramic / Grey / Bracelet

Reference L3.781.4.76.6

Longines HydroConquest 41 Automatic Stainless Steel / Ceramic / Grey / Bracelet

About this watch

The Longines HydroConquest 41 Automatic in Grey (Model: L3.781.4.76.6) is a statement piece that reflects your style and personality. Founded in 1832, Longines has established itself as a pioneer in Swiss watchmaking, known for their commitment to tradition and precision. The HydroConquest series, launched to celebrate diving and water sports, is a fantastic representation of the brand's ability to merge utility with luxury. This watch exudes confidence with its substantial 41mm case diameter, making it suitable for both casual and formal occasions. The grey dial is stunning, offering a subtle yet striking backdrop for the watch's mixed indexes and proprietary hands, which are coated with luminescent material, ensuring visibility in low-light conditions. At the core of the HydroConquest is the Longines caliber L888.2 movement, engineered for precision and reliability, boasting a 65-hour power reserve. With a water resistance of 300 meters, this watch can handle the pressure of serious diving. The rotating bezel is a critical feature for divers, allowing you to track dive times effectively. This practical function, combined with the watch's aesthetic appeal, makes it a must-have for diving enthusiasts. Priced at $2,000, the Longines HydroConquest 41 Automatic offers excellent value, especially considering its durability, functionality, and Swiss craftsmanship.

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Key Features

Longines caliber L888.2 automatic movement
300m water resistance
Stainless steel case with ceramic bezel
Grey dial with mixed indexes and luminescent hands

Specifications

Brand

Longines

Family

HydroConquest

Model

HydroConquest 41 Automatic Stainless Steel / Ceramic / Grey / Bracelet

Reference

L3.781.4.76.6

Movement

l888-2

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 41mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest Mesh Bracelet 20mm Lugs

Longines - Hydroconquest

Bracelet type: Mesh Bracelet
Lug size: 20mm

Posted at

May 12, 2026, 8:47 AM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600

A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.

Condition: Good (light scratches)
Case size: 41mm
Material: two tone yellow gold PVD
Movement: quartz

Posted at

May 10, 2026, 5:48 PM

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Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260

This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

Condition: Fantastic, worn 4-6 times
Case size: 43mm
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 9, 2026, 4:10 PM

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(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800

This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

Condition: Unworn
Case material: stainless steel
Bracelet material: stainless steel
Water resistance: 300m

Posted at

May 9, 2026, 1:11 PM

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2026 Longines HydroConquest 39mm - Black Ceramic - Newest Release - Full Set

Longines - L3.779.4.56.6 · $1,900

The newly redesigned Longines HydroConquest in the highly sought-after 39mm size, featuring a refined dial and upgraded bracelet.

Condition: Excellent Used Condition
Size: 39mm diameter
Thickness: ~11.9mm
Lug-to-lug length: 47mm

Posted at

May 7, 2026, 8:43 PM

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Longines Hydroconquest 43mm L3.782.4.56.6-3 weeks owned.

Longines - L3.782.4.56.6 · $1,350

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

Posted at

May 7, 2026, 4:43 AM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - 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

Posted at

May 6, 2026, 9:43 PM

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2025 Longines Hydroconquest 41mm Ref: L37814056

Longines - L37814056 · $1,300

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

Posted at

May 6, 2026, 8:37 PM

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