Longines HydroConquest Hydroconquest 39 Quartz Blue

Reference L3.647.4.96.6

About this watch

The Longines Hydroconquest 39 Quartz Blue is an exceptional timepiece that embodies the spirit of adventure. Its striking blue dial and stainless steel case make it a perfect blend of elegance and functionality. The watch features a clean, analog display with luminous hands, ensuring easy readability even in low-light conditions. With a water resistance of up to 300 meters, this watch is built for action, encouraging you to explore the world beneath the waves or on land. Its reliable quartz movement, based on the ETA 955.412, provides hassle-free timekeeping and a power reserve of over 26,000 hours. The Hydroconquest's robust design and high-quality craftsmanship make it an excellent addition to any watch collection. Whether you're a seasoned diver or someone who appreciates high-quality timepieces, this watch is sure to impress.

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Key Features

Quartz Movement with Power Reserve of over 26,000 hours
Water Resistance up to 300 meters
Stainless Steel Case with Rotating Dive Bezel

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest 39 Quartz Blue

Reference

L3.647.4.96.6

Movement

l263

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest 39mm L3.780.3.78.6 Full set Mint £1000 shipped to UK

Longines - L3.780.3.78.6 · $1,000

A Longines Hydroconquest 39mm watch, reference L3.780.3.78.6, features a chronometer movement (l888.4) and is in excellent timekeeping condition.

Condition: mint condition
Movement: L888.4 chronometer version
Warranty: almost 3 years remaining
Shipping: fully insured special delivery

Posted at

Jun 22, 2025, 5:59 AM

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Pre-Owned Longines Hydroconquest GMT L3.890.4.56.6

Longines - L3.890.4.56.6 · $2,099.002

Pre-owned Longines Hydroconquest GMT watch in 43mm stainless steel case with automatic movement, black dial, and 300m water resistance.

Condition: 95% condition, faint marks on the sides and back of the case; 91% condition, slight marks on the links and clasp for the bracelet
Case size: 43mm diameter
Water resistance: 300m depth rating
Material: Stainless Steel

Posted at

Jun 20, 2025, 9:54 PM

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Longines Hydroconquest L3.781.3.58.9, Rose Gold & Rubber Strap

Longines - L3.781.3.58.9 · $1,199

This Longines Hydroconquest features a silver-tone stainless steel case with a black rubber strap, uni-directional rotating black ceramic bezel, and a black dial with rose gold-tone hands and index hour markers.

Condition: Gently used with minor wear and tear, polishable
Case size: 43mm diameter
Water resistance: 300m / 1000ft depth rating
Movement: Longines Calibre L888 Automatic movement

Posted at

Jun 16, 2025, 2:47 PM

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Longines Hydroconquest GMT, Excellent Condition, Box and papers

Longines - L3.790.4.56.6 · $1,850

This Longines Hydroconquest GMT features a stainless steel case with black dial and ceramic bezel, housed on a stainless-steel bracelet. It has a screw-down back and crown, with a unidirectional notched bezel in black ceramic.

Condition: Excellent condition
Case size: 41mm diameter

Posted at

Jun 16, 2025, 1:42 PM

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Longines Hydroconquest Automatic

Longines - Hydroconquest automatic · $700.007

The Longines Hydroconquest is a comfortable and reliable automatic watch. It features a 41mm case size with a blue aluminum bezel and dial.

Condition: Pre-owned, has been worn
Case Size: 41mm
Bezel Fade: yes, but lines up properly
Wrist Size Fit: 7 7/8 inch wrist

Posted at

Jun 14, 2025, 3:19 PM

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>>REDUCED<< LONGINES HYDROCONQUEST ALL CERAMIC L3.784.4

Longines - L3.784.4 · $1,995.002

This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m. The watch has a 43mm diameter and comes with a rubber strap and deployant clasp.

Condition: MINT
Case material: ceramic
Diameter: 43mm
Water resistance: 300m

Posted at

Jun 13, 2025, 4:41 PM

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Longines Hydroconquest GMT 41mm Sunray Blue

Longines - 41mm Longines Hydroconquest GMT · $1,775

A Longines Hydroconquest GMT with a Sunray blue dial and ceramic bezel in a beautiful pre-owned condition.

Condition: Very nice pre-owned condition, some minor hairlines on the bracelet/clasp
Diameter: 41mm
Bezel material: ceramic

Posted at

Jun 13, 2025, 8:34 AM

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Longines HydroConquest 39mm Ceramic Bezel (Like New. 5 Years of Factory Warranty)

Longines - L37804.96.6 · $1,300

A Longines HydroConquest 39mm watch with a ceramic bezel, purchased from an authorized dealer in Florence, Italy and barely worn.

Condition: Like new
Warranty: 5 years remaining
Case Size: 39mm

Posted at

Jun 12, 2025, 3:35 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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