Longines HydroConquest Hydroconquest Quartz 25

Reference L3.147.4.16.6

About this watch

The Longines Hydroconquest Quartz 25 L3.147.4.16.6 is a luxurious diving watch that effortlessly balances style with functionality. Its compact stainless steel case measures 25mm in diameter, making it an excellent choice for those who prefer smaller watches or have delicate wrists. The striking white dial features mixed indexes and stick hands, providing both elegance and readability. A rotating bezel marked from 0 to 60 adds a touch of sophistication, while the durable sapphire crystal ensures scratch resistance and clarity. At its core is the reliable Longines caliber L250 quartz movement, boasting exceptional reliability and accuracy. The watch's water resistance rating of 300 meters makes it suitable for both professional divers and casual wearers alike. Its sleek design allows it to pair effortlessly with both formal and informal attire, making it a versatile timepiece that can be dressed up or down. Whether you're an avid diver, a watch collector, or simply someone who appreciates craftsmanship, the Longines Hydroconquest Quartz 25 L3.147.4.16.6 has something to offer.

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Key Features

Longines caliber L250 quartz movement
Stainless steel case with sapphire crystal
Rotating bezel marked from 0 to 60
300m water resistance rating
Compact 25mm diameter case
White dial with mixed indexes and stick hands
Reliable and accurate timekeeping

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Quartz 25

Reference

L3.147.4.16.6

Movement

l250

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 25mm

Dial Color

White

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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