Longines HydroConquest Hydroconquest Automatic 39 Blue

Reference L3.694.4.03.6

About this watch

The Longines Hydroconquest Automatic 39 Blue is a stunning timepiece that seamlessly combines style, functionality, and durability. Its vibrant blue dial grabs attention immediately, while the robust stainless steel case measures 39.00 mm in diameter, providing a perfect balance of elegance and adventure. The watch features a sapphire crystal, Arabic numeral indexes, and proprietary hands designed for enhanced visibility and functionality. The rotating dive bezel is a functional tool for divers and water sports enthusiasts, with a 0-60 scale for tracking elapsed time underwater. At the core lies the Longines caliber L619.2, an automatic movement featuring a frequency of 28,800 vibrations per hour and a power reserve of approximately 42 hours. The watch displays hours, minutes, and seconds with ease, while also featuring a date function that enhances its practicality. With a water resistance rating of 300 meters, it's suitable for swimming, snorkeling, and serious diving. The stainless steel bracelet is sturdy yet lightweight, ensuring comfort during all activities. This luxury watch positions itself in the mid-range segment, delivering value for money with its quality materials, precision movement, and brand heritage.

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Key Features

Longines Caliber L619.2 automatic movement
300-meter water resistance rating
Sapphire crystal glass
Rotating dive bezel with 0-60 scale
Stainless steel case and bracelet
Arabic numeral indexes and proprietary hands
Date function

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Automatic 39 Blue

Reference

L3.694.4.03.6

Movement

l619-2

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 39mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines - L3.780.4.56.6 · $925

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024 and comes with a full kit.

Condition: Great condition with minor scratches on the bracelet and buckle
Size: 39mm diameter
Warranty Valid Until: October 2029

Posted at

Oct 23, 2025, 12:49 AM

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Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Longines - Hydroconquest 41mm ceramic · $1,050

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

Condition: Like new in box
Diameter: 41mm
Bezel material: blue ceramic

Posted at

Oct 18, 2025, 8:33 AM

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Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines - L3.780.4.56.6 · $950

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
Warranty Valid Until: October 2029
Size: 39mm

Posted at

Oct 16, 2025, 5:22 PM

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Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380

The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

Condition: essentially unworn
Shipping: CONUS only

Posted at

Oct 15, 2025, 8:12 PM

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BNIB Longines HydroConquest

Longines - HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

Condition: Brand new in box (BNIB)

Posted at

Oct 15, 2025, 7:10 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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