Longines HydroConquest Hydroconquest Quartz 39 Black

Reference L3.688.4.53.6

About this watch

The Longines Hydroconquest Quartz 39 Black is a remarkable timepiece that offers a blend of style, functionality, and durability. With its bold design and sophisticated features, it’s hard not to fall in love with this watch. Whether you're diving into adventures or simply enjoying a night out, the Hydroconquest is ready to accompany you every step of the way. Its stainless steel case and sapphire glass ensure reliability and water resistance up to 30 meters, making it perfect for casual beach outings or unexpected rain showers. The rotating bezel allows for easy tracking of immersion times, while the proprietary hands are luminous, ensuring readability even in low-light conditions. With its robust features, stylish design, and reliable performance, this watch is a testament to the craftsmanship and heritage of the Longines brand.
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Key Features

  • Quartz movement based on ETA 955.412
  • 30 meters water resistance
  • Rotating bezel with 0-60 markings
  • Sapphire glass crystal
  • Stainless steel case and bracelet
  • Proprietary luminous hands
  • Date function and analog display

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 39 Black
Reference
L3.688.4.53.6
Movement
l263
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

21mm Longines HydroConquest bracelet

21mm Longines HydroConquest bracelet

Longines - HydroConquest · £150.002
  • Condition: Excellent
  • Bracelet length: 21mm
  • Days worn: 1
Posted at
May 18, 2025, 2:06 PM
Active
[WTS] Longines HydroConquest bracelet 21mm

Longines HydroConquest bracelet 21mm

A Longines HydroConquest watch with a bracelet, in excellent condition and barely worn.

  • Condition: Excellent
  • Bracelet size: 21mm
  • Shipping costs: [object Object]
Posted at
May 18, 2025, 1:59 PM
Active
Longines Hydroconquest 41 mm L3.7424.56.6 [WTS]

Longines Hydroconquest 41 mm L3.7424.56.6

A Longines Hydroconquest, a water-resistant watch designed for everyday wear.

  • Condition: Excellent
  • Wrist size suitability: 7 inch wrist
  • Box included: true
  • Purchase history: Bought from Watch Maxx
Posted at
May 17, 2025, 5:05 PM
Active
[WTS]✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!

✨ For sale: Longines HydroConquest L3.841.4.56.6 (2019) – Full Set!

The Longines HydroConquest L3.841.4.56.6 is an automatic watch with a 64-hour power reserve, featuring a 44mm stainless steel case and a black sunray dial.

  • Condition: Excellent
  • Case material: stainless steel
  • Diameter: 44mm
  • Water resistance: 300m
Posted at
May 13, 2025, 11:10 AM
Active
[WTS] Longines Hydroconquest GMT - Green

Longines Hydroconquest GMT - Green

The Longines Hydroconquest GMT is a stylish and functional watch featuring a GMT function, perfect for travelers or those who need to keep track of multiple time zones.

  • Condition: great condition with a slight scratch on the case and some wear on the bracelet
  • Warranty Valid Until: 02/23/2024
  • Bracelet Condition: some wear from regular usage
Posted at
May 13, 2025, 10:58 AM
Active
[WTS] Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

The Longines HydroConquest 39 mm Black is a stainless steel automatic watch featuring a black sunray dial, applied indices, and date at 3 o'clock. It has a matte black ceramic unidirectional bezel and a sapphire crystal with AR coating.

  • Condition: Very good, light desk-wear with minor hairline scratches
  • Case Size: 39 mm stainless steel case
  • Dial Color: Black
  • Water Resistance: 300 m
Posted at
May 10, 2025, 10:11 AM
Active
[WTS] Longines HydroConquest Black dial 41mm $1499

Longines HydroConquest Black dial 41mm $1499

Longines - L3.783.4.56.6 · $1,499
This Longines HydroConquest features a black dial and is powered by an automatic movement, housed in a stainless steel case with sapphire crystal and a stainless steel bracelet.

  • Condition: Full working order
  • Case diameter: 41mm
  • Crystal material: Sapphire
Posted at
May 9, 2025, 3:09 AM
Active
[WTS] Longines Hydroconquest 41mm w/ Box

Longines Hydroconquest 41mm w/ Box

A Longines Hydroconquest watch in 41mm case size, excluding crown guards.

  • Bracelet markings: noticeable
  • Wrist size: 7 inches
Posted at
May 8, 2025, 5:46 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