Longines HydroConquest HydroConquest 41 Automatic Stainless Steel / Blue / Bracelet / Tetra Pak

Reference L3.742.4.09.6

Longines HydroConquest 41 Automatic Stainless Steel / Blue / Bracelet / Tetra Pak

About this watch

The Longines HydroConquest 41 Automatic is a luxurious dive watch that combines cutting-edge technology and timeless design, featuring a stunning blue dial, robust stainless steel case, and impressive water resistance up to 300 meters. Its versatile design makes it suitable for various occasions, from casual to formal settings. With an automatic movement and 65-hour power reserve, this watch is designed for active lifestyles and can handle underwater adventures with ease. Whether you're a diver or just appreciate quality craftsmanship, the HydroConquest is a worthy addition to any collection.
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Key Features

  • Stainless Steel Case
  • Automatic Movement with 65-Hour Power Reserve
  • Water Resistance up to 300 Meters
  • Rotating Dive Bezel (0-60)
  • Sapphire Glass
  • Blue Dial with Mixed Indexes

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Stainless Steel / Blue / Bracelet / Tetra Pak
Reference
L3.742.4.09.6
Movement
l888-2
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)

Longines Hydroconquest GMT 41mm Black (Nov 2024)- $2950 AUD (Sydney, Australia)

Longines - L3.826.4.53.2 · $2,950
a black Longines Hydroconquest GMT watch with a 41mm case size.

  • Material: Stainless Steel
  • Diameter: 41mm
  • Depth rating: 300m
Posted at
Apr 16, 2026, 9:54 AM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest 41mm

Longines HydroConquest 41mm

Longines - L3.781.4.96.6 · $1,100
A Longines HydroConquest 41mm watch with a blue sunburst dial, featuring a clean crystal and flawless dial.

  • Condition: Excellent pre-owned condition
  • Diameter: 41mm
Posted at
Apr 15, 2026, 3:43 PM
Active
View listing on r/WatchExchange
[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,900

Longines - L3.783.4 · $1,900
This Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch featuring a blue ceramic bezel and screw-down crown, powered by the calibre L688.2 column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Case Size: 41mm x 51mm stainless steel case, 15.6mm thickness, 21mm lug width
  • Movement: Longines L688.2 automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Water Resistance: 300m (30 ATM)
Posted at
Apr 15, 2026, 11:30 AM
Active
View listing on r/WatchExchange
[WTS] Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines HydroConquest GMT Black. Ref: L3.790.4.56.6 (2025) Complete. $1,950

Longines - L3.790.4.56.6 · $1,950
This Longines HydroConquest GMT Black is a modern dive watch with excellent everyday wearability, offering both tool watch functionality and travel convenience.

  • Condition: Excellent pre-owned
  • Case size: 41mm diameter
  • Water resistance: 300m
Posted at
Apr 14, 2026, 9:45 PM
Active
View listing on r/WatchExchange
[WTS] (Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

(Longines) (2026 Hydroconquest 42) Full 5 Year Warranty, LNIB

Longines - Hydroconquest 42 · $2,200
This newly released Longines Hydroconquest is a large watch with exceptional fit and finish. It comes in its original packaging with a full kit and warranty.

  • Condition: LNIB (Like New In Box)
  • Case size: 42mm
  • Water resistance: not specified
Posted at
Apr 13, 2026, 2:48 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