Longines HydroConquest HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Grey / Bracelet

Reference L3.783.4.76.6

About this watch

The Longines HydroConquest 41 Automatic Chronograph is a true standout in the world of luxury watches, blending functionality with exquisite design. This timepiece is a remarkable representation of Longines' commitment to quality and style, featuring a grey ceramic bezel and stainless steel case that gives it a classic feel while also being suitable for any occasion. The round shape of the watch makes it visually striking, with a stunning grey dial adorned with mixed indexes that catch the light beautifully. The proprietary hands offer a unique touch that Longines fans will appreciate. One of the standout features of this model is its chronograph functionality, designed for performance and accuracy. The sub-dials are intuitively placed, making it easy to track time without squinting or struggling. With a frequency of 28,800 vibrations per hour, this watch promises precision that is hard to beat. Whether you're timing your laps in the pool or just keeping track of your daily schedule, you can rely on this timepiece to deliver accurate readings.
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Key Features

  • Longines Caliber L688.2 movement
  • Chronograph functionality with 0-60 (Dive) rotating bezel
  • 300m water resistance
  • Stainless steel case and bracelet
  • Grey ceramic bezel
  • Proprietary hands
  • Automatic chronograph with 54-hour power reserve

Specifications

Brand
Longines
Family
HydroConquest
Model
HydroConquest 41 Automatic Chronograph Stainless Steel / Ceramic / Grey / Bracelet
Reference
L3.783.4.76.6
Movement
l688-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
Case
Stainless Steel 41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest “Boutique Exclusive Edition” L3.779.4.98.6 – 42mm – April 2026 Card — Full Kit - $2,199 Shipped 🔥🔥

Longines HydroConquest “Boutique Exclusive Edition” L3.779.4.98.6 – 42mm – April 2026 Card — Full Kit - $2,199 Shipped 🔥🔥

Longines - L3.779.4.98.6 · $2,199
This Longines HydroConquest 'Boutique Exclusive Edition' is a sporty yet versatile watch featuring an automatic movement, available in a full kit with essentially new warranty card.

  • Condition: Excellent overall with light handling hairlines on case and bracelet
  • Case size: 42mm
  • Movement type: Automatic
Posted at
Apr 16, 2026, 9:35 PM
Active
[WTS] Longines Hydroconquest 43mm Ceramic

Longines Hydroconquest 43mm Ceramic

Additional Details: This Longines Hydroconquest 43mm Ceramic is a Sunray Gray watch that comes with full links, blank card, booklets, hang tags and box. The watch has some minor hairlines on the bracelet.

  • Condition: very nice pre-owned
  • Length: 43mm diameter
Posted at
Apr 16, 2026, 9:33 PM
Active
[WTS] Longines HydroConquest 41mm Green $899

Longines HydroConquest 41mm Green $899

This Longines HydroConquest is a 41mm men's watch with a green dial, featuring a rubber strap and a crystal in perfect shape.

  • Condition: Pre-owned, minor scratches on clasp
  • Case Size: 41mm diameter
  • Strap Length: 7.5in
  • Crystal Condition: Perfect shape
Posted at
Apr 16, 2026, 9:18 PM
Active
[WTS] 2026 Longines Hydroconquest 39mm - Grey Bezel / Black Dial

2026 Longines Hydroconquest 39mm - Grey Bezel / Black Dial

Longines - L3-779-4-70-6 · $2,100
This 2026 Longines Hydroconquest is a 39mm grey bezel/black dial watch, purchased directly from Longines and regularly worn. It's free of major scratches or dents but has minor wear on the back of one lug.

  • Condition: Excellent to LNIB (like new in box)
  • Bracelet length: up to an 8in wrist
  • Bent link pin: one link pin is bent and unusable
  • Included accessories: all original packaging, accessories, and paperwork
Posted at
Apr 16, 2026, 3:09 PM
Active
[WTS] Longines HydroConquest Sunray Blue- L3.790.4.96.6

Longines HydroConquest Sunray Blue- L3.790.4.96.6

Longines - L3.790.4.96.6 · $2,900
A brand new Longines HydroConquest with sunray blue dial, featuring a new box and papers.

  • Condition: Brand new
  • Box And Papers: brand new
Posted at
Apr 16, 2026, 12:11 PM
Active
[WTS] Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

Longines HydroConquest GMT - Unworn, Full Set, Black Dial 41mm. The watch is in completely unworn condition and comes as a full set including box, papers, and all original accessories. Price:1700. UK-based. Happy to ship or meet depending on location. Dm if interested

The Longines HydroConquest GMT is a 41mm timepiece that comes as a full set including box, papers, and all original accessories. It is in completely unworn condition.

  • Condition: Unworn
  • Case Size: 41mm
  • Set: Full set including box, papers, and all original accessories
Posted at
Apr 16, 2026, 11:26 AM
Active
[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
[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
[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