Longines Conquest Conquest Automatic 29.5 Ceramic Diamond

Reference L3.299.0.57.7

About this watch

The Longines L3.299.0.57.7 Conquest Automatic 29.5 Ceramic Diamond is a masterpiece of luxury watchmaking, boasting an exquisite design that combines style with functionality. The black ceramic case paired with gem-set indexes exudes luxury and sophistication, while the sleek black dial adorned with gem-set indexes sparkles under light. At its heart lies the reliable Longines caliber L595 movement, ensuring accuracy and precision. With a water resistance rating of 50 meters and sapphire glass protection, this watch is built to last. Its elegant design, combined with luxurious materials, makes it a versatile accessory that can elevate any outfit.
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Key Features

  • 29.5mm round ceramic case
  • Longines caliber L595 automatic movement
  • Water resistance: 50 meters
  • Sapphire glass crystal
  • Adjustable stainless steel bracelet
  • Date display and hours, minutes, seconds hands

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 29.5 Ceramic Diamond
Reference
L3.299.0.57.7
Movement
l595
Movement Features
  • Hours, Minutes, Seconds
  • Date
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Longines Conquest 41mm Automatic with "Coffee" Brown Dial! Complete Set

Longines Conquest 41mm Automatic with "Coffee" Brown Dial! Complete Set

Longines - L38304626 · $1,350
A Longines Conquest 41mm automatic watch featuring a 'coffee' brown dial. The watch is in excellent condition with minimal signs of wear.

  • Condition: NEAR MINT with light hairline marks on the bracelet
  • Case Size: 41mm diameter
  • Movement: Automatic
  • Strap Material: Steel
Posted at
May 7, 2025, 3:18 PM
Active
[WTS] Longines Hydroconquest GMT - Blue, Full Kit

Longines Hydroconquest GMT - Blue, Full Kit

Longines - L3.790.4.96.6 · $1,800
This blue 41mm Longines Hydroconquest GMT is a direct purchase from the manufacturer, featuring a light desk diving scratches on the bracelet and comes with extra links.

  • Condition: EXCELLENT
  • Case Size: 41mm diameter
  • Water Resistance: 200m depth rating
Posted at
May 7, 2025, 10:59 AM
Active
[WTS] Longines Conquest VHP Quartz

Longines Conquest VHP Quartz

Longines - L1.613.3 · $285
The Longines Conquest VHP Quartz is an original model featuring a dual-oscillator and silver dial, housed in a 35mm diameter case with Sapphire crystal.

  • Condition: Pre-owned, showing normal signs of wear on case
  • Case size: 37.5mm
  • Diameter (excluding crown): 35mm
  • Movement type: Dual-oscillator
Posted at
May 6, 2025, 1:23 PM
Active
[WTS] Longines Conquest 34mm Quartz

Longines Conquest 34mm Quartz

Longines - L33774586 · $450
A well-worn Longines Conquest model with a 34mm diameter and black dial, part of a downsized collection.

  • Condition: Well worn
  • Case size: 34mm
  • Dial color: Black
Posted at
May 5, 2025, 6:28 PM
Active
[WTS] Longines HydroConquest GMT 43mm Green – Full Kit - Excellent Condition

Longines HydroConquest GMT 43mm Green – Full Kit - Excellent Condition

Longines - L3.890.4.06.6 · $2,200
The Longines HydroConquest GMT is a 43mm automatic diver-watch with a ceramic bezel, 300m water resistance, and a green sunburst dial.

  • Condition: Excellent
  • Case Size: 43mm diameter
  • Movement: L844.5 (72hr power reserve, COSC certified)
  • Water Resistance: 300m depth rating
Posted at
May 4, 2025, 6:59 PM
Active
[WTS] Longines HydroConquest Blue - L3.780.4.96.6

Longines HydroConquest Blue - L3.780.4.96.6

Longines - L3.780.4.96.6 · $1,000
A Longines HydroConquest Blue watch with a retail price of $1850 is being sold for $1000.

Posted at
May 3, 2025, 4:30 PM
Active
[WTS]  Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines HydroConquest 39 mm Black (Ref. L3.780.4.56.6) – Full Kit

Longines - L3.780.4.56.6 · $1,150
The Longines HydroConquest 39 mm Black is a stainless steel automatic watch with a black sunray dial, applied indices, and date at 3 o'clock. It features a matte black ceramic bezel, sapphire crystal with AR coating, and a 300m water resistance.

  • Condition: Very good, with light desk-wear and a few small hairline scratches
  • Case Size: 39 mm diameter
  • Water Resistance: 300 m depth rating
  • Movement: Longines L888 automatic, up to 72 hr power reserve
Posted at
May 3, 2025, 1:07 PM
Active
[WTS][CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm  [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

[CA-USA][H] Longines Hydroconquest 41mm Blue | Seiko Prospex “62MAS” SPB423 US Special Edition | Hamilton Murph 42mm | Seiko Speedtimer Panda SSC813 | Orient Dive 43mm [W] $800 | $700 | $625 | $400 | $150 PayPal F&F, venmo, zelle, local cash

Legendary Hydroconquest auto blue with gray market warranty, purchased last month and comes full kit with stock bracelet.

  • Gray market warranty: yes
  • Purchase date: last month
  • Warranty status: never been worn outside
Posted at
May 2, 2025, 9:56 PM
Active
[WTS] Longines Conquest Automatic - 41 mm

Longines Conquest Automatic - 41 mm

Longines - L3.777.4.76 · $650
A Longines Conquest Automatic watch with a clean white dial and a 41mm case size is being sold. It has a water resistance of up to 300 meters.

  • Case Size: 41mm diameter
  • Water Resistance: 300m depth rating
  • Box Papers: No box or papers included
Posted at
Apr 30, 2025, 9:09 PM
Active