Longines HydroConquest Hydroconquest Chronograph Quartz

Reference L3.650.4.96.6

About this watch

The Longines Hydroconquest Chronograph Quartz is a statement piece that seamlessly combines elegance with functionality. This timepiece boasts a robust stainless steel case, scratch-resistant sapphire glass, and a rotating bezel serving a functional purpose for divers. The chronograph function allows you to time events with precision, while the quartz movement ensures superior accuracy and requires less maintenance. With its striking blue color, stick and dot indexes, and sleek modern look, this watch is perfect for any occasion. Whether you're diving deep into the ocean or attending a formal event, the Hydroconquest collection offers versatility. Founded in 1832, Longines has become synonymous with elegance and precision, making this watch a reliable companion that combines style, functionality, and durability.

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Key Features

Longines caliber L541 quartz movement
Robust stainless steel case
Scratch-resistant sapphire glass
Rotating bezel with 0-60 scale for dive time measurement
300m water resistance
Chronograph function with precise timing
Stylish blue color with stick and dot indexes

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph Quartz

Reference

L3.650.4.96.6

Movement

l541

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Stainless Steel 41mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest GMT - Green

Longines - Hydroconquest GMT · $1,750

The Longines Hydroconquest GMT is a stylish and functional watch featuring a GMT function, perfect for travelers or those who need to keep track of multiple time zones.

Condition: great condition with a slight scratch on the case and some wear on the bracelet
Warranty Valid Until: 02/23/2024
Bracelet Condition: some wear from regular usage

Posted at

May 13, 2025, 10:58 AM

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Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines - L3.780.4.56.6 · $999

The Longines HydroConquest 39 mm Black is a stainless steel automatic watch featuring a black sunray dial, applied indices, and date at 3 o'clock. It has a matte black ceramic unidirectional bezel and a sapphire crystal with AR coating.

Condition: Very good, light desk-wear with minor hairline scratches
Case Size: 39 mm stainless steel case
Dial Color: Black
Water Resistance: 300 m

Posted at

May 10, 2025, 10:11 AM

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Longines HydroConquest Black dial 41mm $1499

Longines - L3.783.4.56.6 · $1,499

This Longines HydroConquest features a black dial and is powered by an automatic movement, housed in a stainless steel case with sapphire crystal and a stainless steel bracelet.

Condition: Full working order
Case diameter: 41mm
Crystal material: Sapphire

Posted at

May 9, 2025, 3:09 AM

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Longines Hydroconquest 41mm w/ Box

Longines - 41mm Hydroconquest (no specific model number mentioned) · $625

A Longines Hydroconquest watch in 41mm case size, excluding crown guards.

Bracelet markings: noticeable
Wrist size: 7 inches

Posted at

May 8, 2025, 5:46 PM

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Longines HydroConquest GMT 43mm Green – Full Kit - Excellent Condition

Longines - L3.890.4.06.6 · $2,200

The Longines HydroConquest GMT is a 43mm automatic diver-watch with a ceramic bezel, 300m water resistance, and a green sunburst dial.

Condition: Excellent
Case Size: 43mm diameter
Movement: L844.5 (72hr power reserve, COSC certified)
Water Resistance: 300m depth rating

Posted at

May 4, 2025, 6:59 PM

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Longines HydroConquest Blue - L3.780.4.96.6

Longines - L3.780.4.96.6 · $1,000

A Longines HydroConquest Blue watch with a retail price of $1850 is being sold for $1000.

Posted at

May 3, 2025, 4:30 PM

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Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines - L3.780.4.56.6 · $1,150

The Longines HydroConquest 39 mm Black is a stainless steel automatic watch with a black sunray dial, applied indices, and date at 3 o'clock. It features a matte black ceramic bezel, sapphire crystal with AR coating, and a 300m water resistance.

Condition: Very good, with light desk-wear and a few small hairline scratches
Case Size: 39 mm diameter
Water Resistance: 300 m depth rating
Movement: Longines L888 automatic, up to 72 hr power reserve

Posted at

May 3, 2025, 1:07 PM

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[WTS][CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

[CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

Longines - L3.742.4.96.6 · $800

Legendary Hydroconquest auto blue with gray market warranty, purchased last month and comes full kit with stock bracelet.

Gray market warranty: yes
Purchase date: last month
Warranty status: never been worn outside

Posted at

May 2, 2025, 9:56 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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