Longines HydroConquest Hydroconquest Quartz 39 Red / Rubber

Reference L3.688.4.59.2

About this watch

The Longines HydroConquest Quartz 39 Red / Rubber is a stunning timepiece that embodies style, functionality, and comfort. Its striking red dial, paired with a stainless steel case, creates a rugged yet chic look. The proprietary hands glide smoothly over the dial, while the date function adds practicality to this masterpiece. The rotating dive bezel is an essential feature for underwater timing, adding to the watch's sporty character. The rubber strap is both durable and flexible, ensuring a snug fit without compromising comfort. Powered by the Longines caliber L263, this watch guarantees precise timekeeping with its quartz movement based on the ETA 955.412. With a reserve of 26,280 seconds and seven jewels, you can rely on accurate results. The HydroConquest is rated for water resistance up to 30 meters, perfect for everyday use but not ideal for deep-sea diving. This watch caters to a diverse audience, suitable for both casual and formal settings. Its blend of style, functionality, and comfort makes it an excellent choice for those who appreciate quality and design.

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Key Features

Quartz movement based on the ETA 955.412
Water resistance up to 30 meters
Rotating dive bezel with 0-60 markings
Stainless steel case with a diameter of 39mm
Rubber strap for comfort and durability
Sapphire crystal glass for scratch resistance
Longines caliber L263 movement with seven jewels

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Quartz 39 Red / Rubber

Reference

L3.688.4.59.2

Movement

l263

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

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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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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