Longines HydroConquest HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Blue / Rubber

Reference L3.783.4.96.9

Longines HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Blue / Rubber

About this watch

The Longines HydroConquest L3.783.4.96.9 is a stunning example of what a modern luxury watch should be. With its robust design, impressive movement, and practical features, it truly stands out in the crowded watch market. The blend of stainless steel and ceramic gives it a modern yet timeless feel, appealing to a wide range of personal styles. The case of the HydroConquest is a perfect blend of durability and style, crafted from high-quality stainless steel with a 41mm diameter. The blue sunburst dial adds a contemporary twist, while the proprietary hands are designed for legibility. The rotating bezel serves a practical purpose for divers, tracking elapsed time underwater with a 0-60 scale. The rubber strap enhances comfort and flexibility, ensuring the watch remains secure on your wrist. At the core of the HydroConquest is the Longines caliber L688.2, an automatic chronograph movement that boasts impressive features, including 27 jewels, a 54-hour power reserve, and a frequency of 28,800 vibrations per hour. The inclusion of a date function adds to the watch's overall balanced aesthetic, making it easy to read and use. With a water resistance of up to 300 meters, this watch is designed for diving enthusiasts who need a reliable timepiece that can withstand underwater exploration.

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Key Features

41mm stainless steel case
Blue sunburst dial with proprietary hands
Rotating ceramic bezel with 0-60 scale
Rubber strap for comfort and flexibility
Longines caliber L688.2 automatic chronograph movement
27 jewels, 54-hour power reserve, and 28,800 vibrations per hour
Date function at the 6 o'clock mark

Specifications

Brand

Longines

Family

HydroConquest

Model

HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Blue / Rubber

Reference

L3.783.4.96.9

Movement

l688-2

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel

Case

Stainless Steel 41mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest 41mm Black dial

Longines - L3.781.4.56 · $1,100

A Longines Hydroconquest 41mm with a black dial is being sold. The watch features an original box and bracelet, as well as two additional straps.

Condition: Very good condition, a few scuffs on the sapphire but no scratches
Case size: 41mm
Bracelets: 2
Straps: 2

Posted at

May 15, 2026, 2:06 PM

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Longines Hydroconquest 39mm L3.779.4.96.6

Longines - L3.779.4.96.6 · $2,100

A Longines Hydroconquest 39mm with a frosted blue dial, this watch features a unique and stylish design.

Condition: Like new
Size: 39mm diameter

Posted at

May 14, 2026, 10:43 PM

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Longines Hydroconquest 39mm

Longines - HydroConquest 39mm · $2,000

A Longines Hydroconquest diver's watch in excellent condition, featuring a 2026 movement and virtually no signs of wear.

Condition: 9.6/10 - extremely clean example
Movement: 2026
Case condition: virtually no signs of wear
Box included: true

Posted at

May 14, 2026, 10:36 PM

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Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines - L3.779.4.09.9 · $2,950

A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.

Condition: Mint
Case Size: 39mm
Limited Edition Quantity: 2026 pieces
Warranty Length: five years

Posted at

May 12, 2026, 4:37 PM

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Longines HydroConquest 39mm Automatic Black Ceramic Bezel + Bracelet + WOE NATO - $750

Longines - HydroConquest 39mm · $750

This Longines HydroConquest is an excellent daily-wear diver with great proportions and comfortable sizing, featuring a black dial and ceramic bezel. The watch is running well and keeping great time.

Condition: Excellent daily-wear, shows wear from use on the bracelet
Case Size: 39mm diameter
Bracelet Type: black ceramic bezel + bracelet + WOE NATO

Posted at

May 12, 2026, 4:18 PM

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Longines Hydroconquest Quartz Two Tone L3.740.3.56.7 - $600 🚢

Longines - L3.740.3.56.7 · $600

A quartz-powered diver's watch from Longines, featuring a black dial and two-tone yellow gold PVD finish on the 41mm case.

Condition: Good (light scratches)
Case size: 41mm
Material: two tone yellow gold PVD
Movement: quartz

Posted at

May 10, 2026, 5:48 PM

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Longines Hydroconquest 43mm (updated pictures)

Longines - L3.782.4.56.6 · $1,260

This Longines Hydroconquest 43mm features a black dial on a stainless steel bracelet and has been worn only 4-6 times since its purchase. It comes with a full set, including the box, tags, warranty cards, and is still under Jomashop's 2-year warranty.

Condition: Fantastic, worn 4-6 times
Case size: 43mm
Lug to lug: 53mm
Thickness: 11.90mm

Posted at

May 9, 2026, 4:10 PM

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(brand new) Longines HydroConquest 39mm - $1800 shipped

Longines - HydroConquest · $1,800

This brand new Longines HydroConquest features a black dial, stainless steel case and bracelet, sapphire crystal with anti-reflective coating, and is powered by the L888.4 automatic movement.

Condition: Unworn
Case material: stainless steel
Bracelet material: stainless steel
Water resistance: 300m

Posted at

May 9, 2026, 1:11 PM

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