Longines HydroConquest Hydroconquest GMT 41 Stainless Steel / Black / Bracelet

Reference L3.790.4.56.6

Longines Hydroconquest GMT 41 Stainless Steel / Black / Bracelet

About this watch

The Longines Hydroconquest GMT 41 is a stunning timepiece that combines style with functionality. With its black sunburst finish dial, stick and dot indexes, and proprietary hands, it's a watch that makes a statement. The round stainless steel case measures 41 mm in diameter, featuring a rotating bezel with a 0-60 scale perfect for divers and adventure seekers. The hydroconquest GMT excels in comfort, thanks to its well-crafted stainless steel bracelet offering a secure fit without compromising on comfort. The Longines caliber L844.4 automatic movement boasts a 65-hour power reserve, 21 jewels, and a silicon balance spring enhancing precision and durability. With a water resistance of 300 meters, this watch is ready for any aquatic adventure. Its legibility is exceptional, thanks to contrasting colors and luminous hands ensuring effortless time-reading even in low-light conditions.

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Key Features

41mm diameter stainless steel case
Longines caliber L844.4 automatic movement with 65-hour power reserve
Water resistance of 300 meters
Silicon balance spring for enhanced precision and durability
Adjustable 24-hour hand for tracking time in different time zones
Contrasting colors and luminous hands for legibility
Stainless steel bracelet with secure fit and brushed finish

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest GMT 41 Stainless Steel / Black / Bracelet

Reference

L3.790.4.56.6

Movement

l844-4

Movement Features

Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
Date

Case

41mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

Longines - HydroConquest 39mm · $750

This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.

Condition: Excellent daily-wear, shows wear from use on the bracelet
Case Size: 39mm diameter
Bracelet Type: black ceramic bezel + bracelet + WOE NATO

Posted at

May 12, 2026, 4:18 PM

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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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