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

[WTS] Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)

Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)

Longines - L3.841.4.56.6 · $1,000
This Longines HydroConquest Ref. L3.841.4.56.6 is a full steel diver’s watch with robust build quality and enduring style.

  • Condition: Full steel diver's watch in outstanding original condition with factory finish and minimal signs of wear
  • Case size: 44mm diameter
  • Bracelet length: fits wrists up to 8.5 inches (21cm)
  • Box and papers included: yes
Posted at
Jul 3, 2025, 5:32 PM
Active
[WTS] Longines Hydroconquest GMT

Longines Hydroconquest GMT

Longines - L3.790.4.06.2 · $1,650
This Longines Hydroconquest GMT is a full kit, minus the original NATO strap, and comes on an OEM Hydroconquest bracelet with 10 full and 1 half links.

  • Condition: Pre-owned with minor wear
  • Case Condition: clean
  • Crystal Condition: clean
  • Bracelet Condition: minor desk rash
Posted at
Jul 2, 2025, 3:33 PM
Active
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

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
Active