Longines HydroConquest Hydroconquest Quartz 25 Black

Reference L3.147.4.56.6

About this watch

The Longines Hydroconquest Quartz 25 Black is a luxurious timepiece that embodies the perfect blend of style and performance. Crafted from high-quality stainless steel, this watch exudes durability while remaining lightweight on the wrist. Its sleek modern aesthetic features a black dial with stick hands and mixed indexes, creating a watch that seamlessly transitions from formal events to casual wear. With its impressive water resistance rating of 300 meters, you can trust it to withstand even the most demanding activities. The rotating bezel marked with a 0-60 scale is an essential tool for divers, allowing for precise timing when underwater. Equipped with a sapphire crystal and hours, minutes, seconds, and date features, this watch is both practical and stylish. Its lightweight design and smooth bracelet make it comfortable for all-day wear, making it suitable for formal occasions or weekend adventures. The Longines Caliber L250 movement reflects the brand's commitment to precision and reliability, ensuring accurate timekeeping without fuss.

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Key Features

Longines Caliber L250 Quartz Movement
Stainless Steel Case with Rotating Bezel
300m Water Resistance with Sapphire Crystal
Black Dial with Stick Hands and Mixed Indexes
Date Feature for Practical Time-Telling

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Quartz 25 Black

Reference

L3.147.4.56.6

Movement

l250

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 25mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines - L3.783.4 · $1,900

This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.

Condition: Very good with minor usage marks
Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
Water Resistance: 300m (30 ATM)

Posted at

Apr 15, 2026, 11:30 AM

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Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines - L3.790.4.56.6 · $1,950

This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.

Condition: Excellent pre-owned
Case size: 41mm diameter
Water resistance: 300m

Posted at

Apr 14, 2026, 9:45 PM

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(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

Longines - Hydroconquest 42 · $2,200

This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.

Condition: LNIB (Like New In Box)
Case size: 42mm
Water resistance: not specified

Posted at

Apr 13, 2026, 2:48 PM

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Longines Hydroconquest 43mm Full Black Ceramic Ref L3.784.4.56.9 MINT Full Kit $2500

Longines - L3.784.4.56.9 · $2,500

This Longines HydroConquest features a unique full black ceramic aesthetic with a sleek and stealthy design, while maintaining refined and versatile qualities. The watch boasts excellent scratch resistance, legible dial, and comfortable daily wear.

Condition: MINT
Case diameter: 43mm
Thickness: 13mm
Lug-to-lug length: 56mm

Posted at

Apr 10, 2026, 8:26 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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