Longines HydroConquest HydroConquest 41 Quartz Stainless Steel / Yellow Gold / Blue / Bracelet

Reference L3.740.3.96.7

About this watch

The Longines HydroConquest 41 Quartz is a luxury watch that effortlessly combines style, functionality, and durability. The striking blue dial with PVD gold accents creates a seamless aesthetic, while the stainless steel body with gold coating offers added protection and a luxurious feel. At its heart lies the reliable ETA-based quartz movement, ensuring precision and accuracy. With a water resistance rating of 300 meters, this watch is ready for any aquatic adventure. The rotating bezel allows for precise timing of dives, and the date function ensures you never lose track of important days. Comfortable to wear, with an adjustable stainless steel bracelet that adapts to your lifestyle.
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Key Features

  • Longines Caliber L157 Quartz Movement
  • Sapphire Crystal Glass
  • 300m Water Resistance
  • Rotating Dive Bezel (0-60)
  • Adjustable Stainless Steel Bracelet

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Quartz Stainless Steel / Yellow Gold / Blue / Bracelet
Reference
L3.740.3.96.7
Movement
l157
Movement Features
  • Hours, Seconds, Minutes
  • Date
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest L3.788.4.06 — 42mm Ceramic Bezel — Full Kit — 11 Days Old — $1999 Shipped 🔥

Longines HydroConquest L3.788.4.06 — 42mm Ceramic Bezel — Full Kit — 11 Days Old — $1999 Shipped 🔥

Longines - L3.788.4.06 · $1,999
This Longines HydroConquest features a modern configuration with a ceramic bezel and is practically new at just 11 days old.

  • Condition: Excellent overall, only very light hairlines present
  • Age: 11 days
  • Dimensions: 42mm diameter
Posted at
Apr 25, 2026, 8:50 PM
Active
[WTS] Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Longines Conquest 39 mm $600 and Longines HydroConquest 39 mm $700

Two Longines watches for sale, the Conquest L3.776.4 and the HydroConquest L3.741.4.

  • Condition: Very good
  • Case size: 39 mm
  • Year purchased: 2025
  • Clasp wear: minor wear on clasp from being stored at work desk
Posted at
Apr 25, 2026, 1:54 PM
Active
[WTS] Longines HydroConquest 41 – $975

Longines HydroConquest 41 – $975

This Longines HydroConquest 41 features a 41mm case, minimal wear, and comes with its box, papers, hangtag, and warranty card.

  • Condition: Very Good Pre-owned Condition
  • Case Size: 41mm diameter
  • Bracelet Condition: hairlines throughout polished surfaces, some desk wear
Posted at
Apr 25, 2026, 10:32 AM
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[WTS] Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6

Brand New Longines Hydroconquest Exclusive- 42mm- L3.788.4.98.6

Longines - L3.788.4.98.6 · $2,200
The Longines Hydroconquest Exclusive features a 42mm case with a beautiful frosted blue dial and comes in brand new condition.

  • Condition: Brand new, unworn
  • Case size: 42mm
Posted at
Apr 24, 2026, 6:24 PM
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[WTS] New Longines HydroConquest 42mm

New Longines HydroConquest 42mm

A new Longines HydroConquest in the 42mm size, with a mesh band and box and papers included.

  • Condition: New
  • Case Size: 42mm
  • Band Type: mesh
Posted at
Apr 23, 2026, 8:54 AM
Active
[WTS] Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850

Longines Hydroconquest Chronograph 41 Ref. L3.783.4 – Travel Box & Manual | $1,850

Longines - L3.783.4 · $1,850
The Longines Hydroconquest Chronograph is a high-performance Swiss diver's watch that features a 41mm case, blue ceramic bezel, and screw-down crown. It houses the calibre L688.2, a column-wheel chronograph movement with a 54-hour power reserve.

  • Condition: Very good with minor usage marks
  • Case Size: 41 x 51mm stainless steel case with a thickness of 15.6mm and a lug width of 21mm
  • Movement: Longines L688.2, automatic column wheel chronograph with 27 jewels, 28,800 bph, and a 54-hour power reserve
  • Water Resistance: 300 (30 ATM)
Posted at
Apr 22, 2026, 3:35 PM
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[WTS] Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Longines HydroConquest GMT 41mm Black, Full Kit, June 2025

Up for sale is my mint condition Longines HydroConquest GMT, a full kit with box, papers, tags, and over 4 years left on the factory warranty.

  • Condition: Mint condition
  • Case dimensions: 41mm diameter, 49mm lug to lug, 12.9mm thickness
  • Movement: L844.5 with 72hrs power reserve
  • Water resistance: 300m
Posted at
Apr 19, 2026, 10:47 PM
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[WTS] Longines Hydroconquest 39mm Black MINT

Longines Hydroconquest 39mm Black MINT

A mint condition Longines Hydroconquest 39mm in black with a super comfortable bracelet and excellent bezel action.

  • Condition: MINT
  • Bracelet type: Super comfortable bracelet
  • Clasp type: Excellent on the fly clasp
  • Bezel action: Great bezel action
Posted at
Apr 19, 2026, 9:12 AM
Active
[WTS] Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines HydroConquest 39mm Green Ceramic Bezel 2026 NEW L3.779.4.06.6 – $2800 + shipping

Longines - L3.779.4.06.6 · $2,800
This Longines HydroConquest features a stunning green ceramic bezel and matching dial, with a 39mm size that wears well on the wrist.

  • Condition: Brand new
  • Case Size: 39mm diameter
  • Bezel Material: green ceramic
Posted at
Apr 17, 2026, 6:00 AM
Active