Longines Conquest Conquest 29.5 Quartz Stainless Steel Diamond Bezel

Reference L3.258.0.88.6

About this watch

When it comes to luxury watches, few brands evoke the same level of admiration and trust as Longines. The Conquest L3.258.0.88.6 is a stunning piece that combines elegance with functionality. Its round stainless steel case and diamond bezel create a harmonious balance between style and durability. The white mother-of-pearl dial shimmers differently under varying light conditions, giving it a dynamic look. Equipped with stick hands and gem-set indexes, this watch makes a bold statement without being overly flashy. At the heart of the Conquest L3.258.0.88.6 lies the Longines Caliber L250, a reliable and precise quartz movement derived from the ETA 956.112. With a 7-jewel configuration, this movement is designed to last, offering a power reserve that keeps your watch ticking smoothly. The Conquest L3.258.0.88.6 also boasts an impressive water resistance rating of 300 meters, making it suitable for swimming, snorkeling, or even diving. Wearing the Conquest L3.258.0.88.6 is a comfortable experience, thanks to its stainless steel bracelet that fits snugly on your wrist without pinching or causing discomfort. The Longines Conquest 29.5 Quartz Stainless Steel Diamond Bezel is undoubtedly a stunning watch that tells time beautifully while also making a statement about your taste and style.
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Key Features

  • Stainless Steel Case
  • Gem-Set Diamond Bezel
  • White Mother-of-Pearl Dial
  • Quartz Longines Caliber L250 Movement
  • 300m Water Resistance
  • Stick Hands
  • Sapphire Glass

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 29.5 Quartz Stainless Steel Diamond Bezel
Reference
L3.258.0.88.6
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
[WTS] Serviced 1960s Longines Conquest Automatic w/ 35mm Steel Case & “Fish in Kelp” Caseback w/  Extract from the Archives

Serviced 1960s Longines Conquest Automatic w/ 35mm Steel Case & “Fish in Kelp” Caseback w/ Extract from the Archives

Longines - 9044-7 · $650
A fully original 1966 Longines Conquest automatic watch with a stainless steel case and unique 'fish in kelp' caseback. The silver dial features a spiral design and has developed patina.

  • Condition: Pre-owned, serviced in 2023
  • Movement caliber: 291
  • Case size: 35mm
  • Dial condition: Original, non-refinished silver dial with patina
Posted at
Apr 30, 2025, 11:26 AM
Active
[WTS] Longines Hydroconquest 41mm w/ Box *Price Drop*

Longines Hydroconquest 41mm w/ Box *Price Drop*

A Longines Hydroconquest watch with a 41mm case size, excluding the crown guards, and a 7 inch wrist bracelet. It comes in its original box.

  • Bracelet Size: 7 inch
  • Case Diameter: 41mm
Posted at
Apr 28, 2025, 4:52 PM
Active