Longines HydroConquest Hydroconquest Chronograph Quartz

Reference L3.643.4.56.6

About this watch

The Longines HydroConquest Chronograph Quartz (L3.643.4.56.6) is a stunning timepiece that blends precision engineering with rugged aesthetics. Crafted from high-quality stainless steel, this watch exudes luxury and sophistication. With its impressive water resistance of 300 meters, it's perfect for divers and individuals who lead an active lifestyle. The black dial features mixed indexes and proprietary hands, providing excellent contrast and making it easy to read the time at a glance. The chronograph function adds a layer of versatility, allowing you to time laps or cook with precision. The watch feels substantial yet not cumbersome, making it suitable for extended wear. With its combination of quality materials, Swiss craftsmanship, and timeless design, this watch is a worthy investment for both collectors and newcomers alike.

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Key Features

41mm stainless steel case
300m water resistance
Chronograph function with small seconds sub-dial
Date display and quartz movement
Sapphire crystal glass
Rotating bezel with 0-60 scale
Adjustable stainless steel bracelet

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph Quartz

Reference

L3.643.4.56.6

Movement

l541

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Stainless Steel 41mm

Dial Color

Black

Crystal

Longines - L3.784.4 · $1,850.002

This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m.

Condition: MINT
Diameter: 43mm
Water resistance: 300m
Strap: Longines rubber strap with deployant clasp

Posted at

Jul 9, 2025, 4:01 PM

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Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)

Longines - L3.841.4.56.6 · $1,000

This Longines HydroConquest Ref. L3.841.4.56.6 is a full steel diver’s watch with robust build quality and enduring style.

Condition: Full steel diver's watch in outstanding original condition with factory finish and minimal signs of wear
Case size: 44mm diameter
Bracelet length: fits wrists up to 8.5 inches (21cm)
Box and papers included: yes

Posted at

Jul 3, 2025, 5:32 PM

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Longines Hydroconquest GMT

Longines - L3.790.4.06.2 · $1,650

This Longines Hydroconquest GMT is a full kit, minus the original NATO strap, and comes on an OEM Hydroconquest bracelet with 10 full and 1 half links.

Condition: Pre-owned with minor wear
Case Condition: clean
Crystal Condition: clean
Bracelet Condition: minor desk rash

Posted at

Jul 2, 2025, 3:33 PM

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Longines Hydroconquest 39mm Ceramic

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Jun 29, 2025, 6:44 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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