Longines HydroConquest Hydroconquest 39 Quartz Two Tone White

Reference L3.647.3.16.7

About this watch

The Longines HydroConquest 39 Quartz Two Tone White is a statement piece that reflects quality craftsmanship and sophisticated design. Founded in 1832, Longines has established itself as a titan in the world of horology. The HydroConquest line is designed for water sports and diving enthusiasts, focusing on durability, water resistance, and aesthetics. At its heart lies the Longines caliber L263, a quartz movement based on the robust ETA 955.412. With an impressive water resistance of 300 meters, this watch is perfect for diving enthusiasts or those who simply want a reliable watch that can handle a splash or two! The combination of stainless steel and PVD gold accents creates a sophisticated look that can easily transition from a casual outing to a formal event.

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Key Features

Quartz movement based on ETA 955.412
300-meter water resistance
Stainless Steel and PVD Gold construction
Rotating bezel with 0-60 dive markings
Sapphire crystal glass for scratch-resistance
39mm diameter and 19mm lug width
White dial with stick indexes and hands

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest 39 Quartz Two Tone White

Reference

L3.647.3.16.7

Movement

l263

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850

A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

Condition: Excellent with light signs of wear
Case size: 41mm diameter
Bezel material: Ceramic
Bracelet condition: Light scuffs on the clasp

Posted at

Feb 11, 2026, 1:00 PM

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2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999

2024 Longines HydroConquest watch with 43mm black ceramic case.

Case material: black ceramic
Size: 43mm diameter

Posted at

Feb 8, 2026, 1:07 PM

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

Longines - Hydroconquest 41m · $1,050

For sale is my Longines Hydroconquest 41m ceramic automatic in green. It's a stainless steel case with ceramic bezel and Swiss automatic movement (Longines Calibre L888 series) with approx. 72 hr power reserve.

Condition: Used
Case Size: 41 mm diameter
Case Material: Stainless steel case
Movement: Longines Calibre L888 series, approx. 72 hr power reserve

Posted at

Feb 6, 2026, 9:31 AM

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Longines HydroConquest (Ref. L3.782.4.96.6) $975

Longines - L3.782.4.96.6 · $975

The Longines HydroConquest is a 43mm Swiss automatic diver’s watch featuring a sunray blue dial and 300 meter water resistance.

Condition: Very good pre-owned
Diameter: 43mm
Water Resistance: 300m depth rating
Movement: L888 caliber

Posted at

Feb 4, 2026, 11:11 PM

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2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 · $999

2024 Longines HydroConquest 43mm Black Ceramic watch for sale.

Case Size: 43mm
Year: 2024

Posted at

Jan 30, 2026, 9:33 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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