Longines HydroConquest Hydroconquest Quartz 29.5 Black

Reference L3.247.4.56.6

About this watch

The Longines Hydroconquest Quartz 29.5 Black is a masterpiece of horology, blending elegance and practicality in perfect harmony. This stunning timepiece boasts a sleek black dial adorned with stick and dot indexes, ensuring exceptional readability. The luminous hands provide excellent visibility, even in low-light conditions, while the rotating bezel adds a sporty edge to its design. Crafted from robust stainless steel, this watch's durable construction is matched only by its impressive water resistance of up to 300 meters, making it an ideal choice for divers and water sports enthusiasts. The Longines caliber L250 movement, based on the ETA 956.112, delivers accuracy and low maintenance, ensuring that you're always on time. With a compact 29.5 mm diameter and adjustable bracelet, this watch transitions seamlessly from casual to formal wear, making it suitable for both men and women. Whether you're in need of a reliable companion for your daily adventures or a stylish accessory for your evening events, the Longines Hydroconquest Quartz 29.5 Black is an excellent choice.

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Key Features

Stainless Steel Case
Rotating Bezel with Dive Scale
Sapphire Crystal Glass
Water Resistance up to 300m
Longines Caliber L250 (ETA 956.112) Quartz Movement

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Quartz 29.5 Black

Reference

L3.247.4.56.6

Movement

l250

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 29.5mm

Dial Color

Black

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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