Longines HydroConquest Hydroconquest Automatic 39 Black

Reference L3.694.4.53.6

About this watch

The Longines Hydroconquest Automatic 39 Black is more than just a watch; it’s a combination of heritage, precision, and style. With its robust features and elegant design, it caters to both adventure seekers and style aficionados. This Swiss automatic watch boasts a black dial with bold Arabic numerals, a rotating bezel designed for divers, and a water resistance of 300 meters. The Longines caliber L619.2 movement is known for its precision and reliability, featuring 21 jewels and a 42-hour power reserve. Whether you're diving into the ocean or attending a formal event, this beauty has got you covered.

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Key Features

Stainless Steel Case
Rotating Dive Bezel with 0-60 Markings
Sapphire Crystal Glass
300 Meters Water Resistance
42-Hour Power Reserve
Longines Caliber L619.2 Automatic Movement
21 Jewels for Reduced Friction and Enhanced Longevity

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Automatic 39 Black

Reference

L3.694.4.53.6

Movement

l619-2

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

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, Excellent Condition, Box and papers look

Longines - L3.790.4.56.6 · $1,850

The Longines Hydroconquest GMT features a 41mm-diameter stainless steel case with screw-down back and crown, a black ceramic bezel with luminescent capsule, and a black dial on a stainless-steel bracelet.

Condition: Excellent Condition
Case diameter: 41mm
Bezel material: black ceramic

Posted at

Jul 3, 2025, 12:50 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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View listing on r/WatchExchange