Longines HydroConquest Hydroconquest Quartz 25 Diamond

Reference L3.147.0.87.6

About this watch

The Longines HydroConquest Quartz 25 Diamond is a stunning timepiece that marries elegance with functionality. With its beautiful mother of pearl dial and durable stainless steel case, this watch exudes luxury and sophistication. The rotating bezel and impressive water resistance of up to 300 meters make it an excellent choice for divers and water sports enthusiasts. Powered by the reliable Longines caliber L250 quartz movement, this watch offers exceptional accuracy and reliability. With a power reserve of 26,280 seconds, you can trust this timepiece to keep you on schedule without the need for frequent battery replacements. The HydroConquest Quartz 25 Diamond is perfect for those who prefer a more delicate wrist presence, with a diameter of just 25mm. Its versatility makes it suitable for both casual and formal occasions, making it an excellent addition to any watch collection.
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Key Features

  • Longines caliber L250 quartz movement
  • Stunning mother of pearl dial
  • Impressive water resistance up to 300 meters
  • Durable stainless steel case
  • Rotating bezel
  • Sapphire crystal glass
  • 25mm diameter

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 25 Diamond
Reference
L3.147.0.87.6
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 25mm
Dial Color
White
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
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