Longines HydroConquest Hydroconquest Quartz 39 Black / Red

Reference L3.688.4.59.6

About this watch

Welcome to our comprehensive review of the Longines Hydroconquest Quartz 39 Black / Red, model L3.688.4.59.6! This timepiece embodies luxury, precision, and adventure. With a rich history dating back to 1832, Longines has crafted a name synonymous with elegance and functionality. The Hydroconquest family personifies this ethos, featuring a bold design, scratch-resistant sapphire crystal glass, and an impressive water resistance of 300 meters. This quartz movement watch is highly reliable, offering precision that mechanical movements can only aspire to achieve. With a power reserve of approximately 26,280 seconds, you can expect it to keep ticking for a long time without the need for frequent adjustments. The rotating bezel allows easy tracking of dive time, while the date function adds practicality to its impressive design. Whether you're a seasoned diver or a casual watch enthusiast, this timepiece deserves a place in your collection.
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Key Features

  • Quartz movement with 26,280-second power reserve
  • 300-meter water resistance for diving and swimming
  • Scratch-resistant sapphire crystal glass for protection
  • Rotating bezel for easy dive time tracking
  • Date function for added practicality

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 39 Black / Red
Reference
L3.688.4.59.6
Movement
l263
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

>>REDUCED FURTHER<< LONGINES HYDROCONQUEST ALL CERAMIC

>>REDUCED FURTHER<< LONGINES HYDROCONQUEST ALL CERAMIC

Longines - L3.784.4 · $1,850.002
This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m.

  • Condition: MINT
  • Diameter: 43mm
  • Water resistance: 300m
  • Strap: Longines rubber strap with deployant clasp
Posted at
Jul 9, 2025, 4:01 PM
Active
[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