Longines HydroConquest Hydroconquest Quartz 29.5 Black

Reference L3.247.4.56.6

About this watch

The Longines Hydroconquest Quartz 29.5 Black is a masterpiece of horology, blending elegance and practicality in perfect harmony. This stunning timepiece boasts a sleek black dial adorned with stick and dot indexes, ensuring exceptional readability. The luminous hands provide excellent visibility, even in low-light conditions, while the rotating bezel adds a sporty edge to its design. Crafted from robust stainless steel, this watch's durable construction is matched only by its impressive water resistance of up to 300 meters, making it an ideal choice for divers and water sports enthusiasts. The Longines caliber L250 movement, based on the ETA 956.112, delivers accuracy and low maintenance, ensuring that you're always on time. With a compact 29.5 mm diameter and adjustable bracelet, this watch transitions seamlessly from casual to formal wear, making it suitable for both men and women. Whether you're in need of a reliable companion for your daily adventures or a stylish accessory for your evening events, the Longines Hydroconquest Quartz 29.5 Black is an excellent choice.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Stainless Steel Case
  • Rotating Bezel with Dive Scale
  • Sapphire Crystal Glass
  • Water Resistance up to 300m
  • Longines Caliber L250 (ETA 956.112) Quartz Movement

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 29.5 Black
Reference
L3.247.4.56.6
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 29.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest 41mm Blue - $850

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
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

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
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

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

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
Active
[WTS] Longines HydroConquest (Ref. L3.782.4.96.6) $975

Longines HydroConquest (Ref. 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
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

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
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