Longines HydroConquest Hydroconquest Quartz 29.5 Two Tone Black

Reference L3.247.3.56.7

About this watch

The Longines HydroConquest Quartz 29.5 Two Tone Black is a masterclass in luxury watchmaking, blending stunning style with robust functionality and impressive technical specifications. This exquisite timepiece boasts an elegant two-tone design, featuring a sleek black dial paired with PVD gold coating that exudes sophistication. The stainless steel case provides durability, while the rotating bezel allows for precise timing of underwater adventures. At its heart lies the reliable Longines caliber L250 quartz movement, ensuring accuracy and longevity. Water resistance up to 300 meters makes it an ideal choice for diving enthusiasts or those who simply appreciate a watch that can keep pace with their active lifestyle.

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Key Features

Longines caliber L250 Quartz Movement
Water Resistance Up to 300 Meters
Sapphire Crystal Glass for Enhanced Durability
Proprietary Hands for Maximum Legibility
Elegant Two-Tone Design with PVD Gold Coating
Stainless Steel Case for Durability and Comfort

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Quartz 29.5 Two Tone Black

Reference

L3.247.3.56.7

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 Blue 39mm - $1150

Longines - Hydroconquest · $1,150

A blue dial Longines Hydroconquest 39mm watch with a full kit, in excellent condition and keeping good time.

Condition: Great condition
Year purchased: 2025
Warranty duration: 5 years

Posted at

Mar 1, 2026, 8:14 PM

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Longines Hydroconquest 41mm Two Tone

Longines - Hydroconquest 41mm Two Tone · $999

A Longines Hydroconquest 41mm Two Tone watch with a black dial and two tone finish. It is in very good condition with some minor wear.

Condition: Very Good Pre Owned Condition
Diameter: 41mm

Posted at

Feb 27, 2026, 3:34 PM

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View listing on r/WatchExchange

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799

This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

Bracelet Length: 6.5 inches
Case Size: 41mm

Posted at

Feb 19, 2026, 5:35 PM

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Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095

This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

Condition: very good
Case size: 43mm diameter
Case wear: normal wear consistent with careful use

Posted at

Feb 18, 2026, 4:40 PM

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Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines - Hydroconquest 41m · $975

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

Condition: Used with signs of wear
Case diameter: 41 mm
Water resistance: 300m / 30 bar
Movement: Longines Calibre L888 series with 72hr power reserve

Posted at

Feb 16, 2026, 4:12 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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View listing on RolexForums