Longines HydroConquest Hydroconquest Chronograph Quartz

Reference L3.650.4.56.6

About this watch

The Longines HydroConquest Chronograph Quartz L3.650.4.56.6 is a statement timepiece that combines elegance and sporty flair. With its sleek black dial, stainless steel case, and robust quartz movement based on the ETA 251.262, this watch is both striking and sophisticated. The chronograph feature allows you to time events with ease, while the integrated date function ensures you'll never lose track of the day. With a water resistance of up to 300 meters (or 1000 feet) and scratch-resistant sapphire glass, this watch is built for all-day wear, whether you're at the office or exploring the great outdoors. The Hydroconquest comes with a stainless steel bracelet that complements its sporty yet elegant design, providing durability and comfort. As a quartz watch, it offers remarkable accuracy, with a battery life that can last several years. This is an investment that will serve you well for years to come.

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Key Features

41mm diameter stainless steel case
Sapphire crystal scratch-resistant glass
Quartz movement based on ETA 251.262
Chronograph function with date display
300m water resistance (1000ft)
Stainless steel bracelet with adjustable links

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph Quartz

Reference

L3.650.4.56.6

Movement

l541

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Stainless Steel 41mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

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 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 HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799

This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

Bracelet Length: 6.5 inches
Case Size: 41mm

Posted at

Feb 19, 2026, 5:35 PM

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Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095

This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

Condition: very good
Case size: 43mm diameter
Case wear: normal wear consistent with careful use

Posted at

Feb 18, 2026, 4:40 PM

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Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines - Hydroconquest 41m · $975

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

Condition: Used with signs of wear
Case diameter: 41 mm
Water resistance: 300m / 30 bar
Movement: Longines Calibre L888 series with 72hr power reserve

Posted at

Feb 16, 2026, 4:12 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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