Longines HydroConquest Hydroconquest Quartz 29.5 Two Tone Diamond

Reference L3.247.3.97.7

Longines Hydroconquest Quartz 29.5 Two Tone Diamond

About this watch

The Longines Hydroconquest Quartz 29.5 Two Tone Diamond is a stunning timepiece that combines elegance with durability, featuring a two-tone stainless steel case, rotating bezel, and white mother of pearl dial with gem-set indexes. Powered by the reliable Longines caliber L250 quartz movement, this watch boasts impressive water resistance of up to 300 meters, making it perfect for both underwater adventures and everyday wear. The elegant design, accurate quartz movement, and durable construction make it a worthy addition to any watch collection.
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Key Features

  • Longines caliber L250 quartz movement
  • Two-tone stainless steel case with polished and brushed finishes
  • Rotating bezel with 0-60 scale for diving enthusiasts
  • White mother of pearl dial with gem-set indexes
  • Sapphire glass for scratch resistance
  • 300-meter water resistance for professional diving and casual swimming
  • 7-jewel mechanism for accuracy and reliability

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 29.5 Two Tone Diamond
Reference
L3.247.3.97.7
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 29.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995

Longines HydroConquest 39mm Black Dial – 2026 Model, Worn Once. $1,995

Longines - HydroConquest 2026 Model · $1,995
A Longines HydroConquest with a black dial and steel bracelet for sale. It's the latest iteration from 2026, purchased recently but only worn once to a wedding.

  • Condition: Near mint, worn once
  • Case size: 39mm
  • Movement: Automatic
Posted at
May 4, 2026, 12:18 PM
Active
View listing on r/WatchExchange
[WTS] New Longines HydroConquest 42mm Frosted Blue Dial

New Longines HydroConquest 42mm Frosted Blue Dial

Longines - HydroConquest 42mm · $2,100
A brand new Longines HydroConquest with a frosted blue dial in 42mm size.

  • Condition: new
  • Case size: 42mm
  • Diameter: 42mm
Posted at
May 3, 2026, 1:20 PM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines HydroConquest GMT Blue Ref: L3.790.4.96.6 (2026). New/Complete. $1,999

Longines - L3.790.4.96.6 (2026) · $1,999
The Longines HydroConquest GMT Blue is a true GMT diver with a sunray blue dial, blue ceramic bezel, and Calibre L844.5 automatic movement.

  • Condition: Brand New
  • Case diameter: 41mm
  • Water resistance: 300m
  • Movement type: Calibre L844.5 automatic
Posted at
May 1, 2026, 8:25 PM
Active
View listing on r/WatchExchange
[WTS] New Longines Hydroconquest 42mm Frosted Blue Dial

New Longines Hydroconquest 42mm Frosted Blue Dial

Longines - Hydroconquest 42mm · $2,200
A brand new Longines Hydroconquest 42mm with a frosted blue dial, sold exclusively at Corporate boutiques. The watch comes with all links, papers, and box.

  • Condition: Brand new
  • Diameter: 42mm
Posted at
May 1, 2026, 10:36 AM
Active
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[WTS] 2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

2026 Longines HydroConquest L37884906 42 mm Black Dial Blue Bezel Full Set $1,900

Longines - L37884906 · $1,900
The Longines HydroConquest L37884906 features a black dial and blue ceramic bezel, with an automatic movement providing reliable performance. The watch has a robust build, unidirectional dive bezel, and strong water resistance, making it a capable tool watch while maintaining a refined aesthetic.

  • Condition: Excellent (pre-owned, minimal wear)
  • Year: 2026
  • Case size: 42mm diameter
  • Case material: Stainless steel
Posted at
Apr 30, 2026, 10:26 PM
Active
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[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

Longines - HydroConquest 43mm · $800
A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
Active
View listing on r/WatchExchange
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
View listing on RolexForums