Longines HydroConquest Hydroconquest Quartz 39 Two Tone Blue

Reference L3.640.3.96.7

About this watch

The Longines Hydroconquest Quartz 39 Two Tone Blue is a stunning timepiece that combines Swiss craftsmanship with a chic design, making it a worthy addition to any watch enthusiast's collection. This robust watch features a rotating bezel for tracking elapsed time underwater and a stainless steel case with PVD gold coating creating a polished yet durable exterior. The blue dial exudes a sense of calm, reminiscent of the ocean's depths, while the PVD gold accents add a touch of luxury, creating a beautiful contrast. At the heart of this watch is the reliable Longines caliber L263 quartz movement, ensuring accurate timekeeping and low maintenance requirements.
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Key Features

  • Longines Caliber L263 Quartz Movement
  • Sapphire Crystal Glass for Enhanced Durability
  • 300m Water Resistance for Diving and Swimming
  • Rotating 0-60 Dive Bezel for Tracking Elapsed Time
  • Mixed Indexes on Blue Dial for Enhanced Readability
  • Stainless Steel Case with PVD Gold Coating
  • Proprietary Hands for Unique Style

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Quartz 39 Two Tone Blue
Reference
L3.640.3.96.7
Movement
l263
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines Hydroconquest L3.742.4 Automatic 41mm Diver $700 OBO

Longines - L3.742.4 · $700
This Longines Hydroconquest L3.742.4 is a 41mm automatic diver's watch that keeps time well and runs smoothly.

  • Condition: Good overall, with minor scratches on the bezel and case
  • Case Size: 41mm diameter
  • Movement Type: automatic
Posted at
Dec 24, 2025, 11:07 AM
Active
[WTS] Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines Hydroconquest Two Tone Ceramic Bezel Full Kit Mint on OEM Rubber

Longines - L3.782.3.98.9 · $1,099
This is a two-tone Longines Hydroconquest with a radiant sunburst blue dial, featuring a 41mm version of the watch that's more wearable than its 43mm counterpart.

  • Condition: Mint on OEM rubber strap
  • Model size: 41mm diameter
  • Case material: two tone
  • Bezel type: ceramic
Posted at
Dec 22, 2025, 10:59 PM
Active
[WTS] Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta Oceanking 40 blue bezel black dial, 1 of 2 produced....Longines Hydroconquest 43 gray sunburst dial. Full sets. Thanks.

Monta - Oceanking 40 · $1,850
This listing features a Monta Oceanking 40 with a blue bezel and black dial, one of two produced, as well as a Longines Hydroconquest 43 with a gray sunburst dial.

  • Condition: 9.5/10
  • Case size: 40mm
Posted at
Dec 18, 2025, 9:49 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