Longines HydroConquest HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet

Reference L3.840.4.96.6

About this watch

The Longines HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet is a stunning timepiece that seamlessly blends style, functionality, and durability. Its striking blue dial and robust design make it a perfect fit for those who appreciate diving watches without sacrificing sophistication. The round shape and polished stainless steel case exude elegance, while the rotating bezel with a 0-60 scale adds to the watch's sporty appeal. With a water resistance rating of 300 meters, this watch is built to withstand the pressure of any adventure. At its heart lies the Longines caliber L157, a reliable quartz movement known for its accuracy and reliability. The stainless steel bracelet feels sturdy yet comfortable, making it suitable for all-day wear. Whether you're diving into the deep sea or just enjoying a day at the beach, this watch is designed to perform under pressure, both literally and figuratively.

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Key Features

44mm diameter stainless steel case
300m water resistance rating
Longines Caliber L157 quartz movement
Stunning blue dial with mixed indexes and proprietary hands
Rotating bezel with 0-60 scale for diving and navigation
Durable sapphire crystal glass for excellent protection against impacts and scratches
Stainless steel bracelet with folding clasp for secure fit

Specifications

Brand

Longines

Family

HydroConquest

Model

HydroConquest 44 Quartz Stainless Steel / Blue / Bracelet

Reference

L3.840.4.96.6

Movement

l157

Movement Features

Hours, Seconds, Minutes
Date

Case

Stainless Steel 44mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines HydroConquest 39mm Blue – Full Set – Excellent Condition

Longines - HydroConquest 39mm Blue · $1,900

This Longines HydroConquest is a 39mm watch with an automatic movement and ceramic bezel, featuring a blue dial and bezel.

Condition: Excellent Condition
Case size: 39mm diameter

Posted at

May 21, 2026, 4:05 AM

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[WTS] RARE CONFIGURATION Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Worn | Full Kit | Warranty Card 5/8/26

RARE CONFIGURATION Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Worn | Full Kit | Warranty Card 5/8/26

Longines - L3.788.4.06.6 · $2,285

This is a rare configuration Longines HydroConquest 42mm watch with a green ceramic bezel and a green lacquered dial. It features an automatic movement, 300m water resistance, and a full kit including the original box, papers, and warranty card.

Condition: never worn
Bracelet: upgraded Longines mesh style bracelet
Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
Water Resistance: 300m / 30 bar

Posted at

May 20, 2026, 3:53 PM

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Longines Hydroconquest 39mm black bezel - 2026 release

Longines - Hydroconquest 39mm black bezel · $2,050

A 39mm black bezel Longines Hydroconquest with a black dial, sold in full kit and unregistered for warranty purposes.

Condition: Like-new
Case diameter: 39mm
Condition notes: No scratches anywhere on the case, crystal or bracelet

Posted at

May 18, 2026, 4:29 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines - L3.740.3.56.7 · $550

A Longines Hydroconquest quartz two-tone diver watch, featuring a black dial and 41mm case size.

Condition: Pre-owned with light scratches
Case size: 41mm
Material: two tone

Posted at

May 17, 2026, 9:13 AM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $550

Longines - L3.740.3.56.7 · $550

This Longines Hydroconquest is a fun and capable diver that comes in the 41mm version, featuring a black dial and quartz movement.

Condition: pre-owned with light scratches
Case Size: 41mm
Movement Type: quartz

Posted at

May 16, 2026, 7:05 PM

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Longines Hydroconquest 39mm black bezel/dial

Longines - 39mm black bezel/black dial Hydroconquest · $2,200

This Longines Hydroconquest 39mm features a black bezel and dial, is in excellent condition, and comes with its full kit including boxes, hangtags, warranty card, and owner's manual.

Condition: Like-new
Case size: 39mm diameter
Box status: full-kit
Warranty remaining: five years

Posted at

May 16, 2026, 5:17 PM

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