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 Rubber Strap L3.720.4.02.9 $1,599

Longines Conquest Rubber Strap L3.720.4.02.9 $1,599

Longines - L3.720.4.02.9 $1,599
The Longines Conquest features a rubber strap in green, with a deployment clasp and comes with all original boxes and papers.

  • Condition: Brand new
  • Warranty: 9/25 warranty card
  • Payment Methods: Zelle or Wire
Posted at
Jan 26, 2026, 1:09 PM
Active
[WTS] Longines Conquest V.H.P. 43mm - White Dial - Ref. L3.726.4.76.6 - High Accuracy Quartz - Box & Extra Strap

Longines Conquest V.H.P. 43mm - White Dial - Ref. L3.726.4.76.6 - High Accuracy Quartz - Box & Extra Strap

Longines - L3.726.4.76.6 $950
This Longines Conquest V.H.P. is a high-accuracy quartz watch featuring a white dial and a 43mm case.

  • Case Size: 43mm diameter
  • Dial Color: white
Posted at
Jan 24, 2026, 11:37 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 $999
A 2024 Longines HydroConquest watch with a 43mm black ceramic case.

  • Case material: black ceramic
  • Size: 43mm diameter
  • Year: 2024
Posted at
Jan 23, 2026, 6:43 PM
Active
[WTS] 1980s Longines Conquest Alarm Quartz in Titanium | $350

1980s Longines Conquest Alarm Quartz in Titanium | $350

A unique 1980s Longines Conquest Alarm Quartz watch featuring a titanium case with gold-plated accents and an alarm function. The watch has been recently cleaned and fitted with a new battery.

  • Condition: Good for its age, with minor usage marks and some wear on the bracelet
  • Case size: 33.2 x 37.1mm titanium case
  • Thickness: 7.6mm
  • Movement: ETA 957.011 quartz with alarm and date
Posted at
Jan 23, 2026, 1:36 PM
Active
[WTS] Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines Conquest Day-Date Stardust Dial, MINT L1.615.3 only for 325$ Shipped馃殺

Longines - L1.615.3 $325
A stainless steel/gold plated Longines Conquest Day-Date watch with a 34mm case size and stardust dial texture.

  • Condition: Mint
  • Case size: 34mm
  • Bracelet length: 8 inches
Posted at
Jan 22, 2026, 8:34 AM
Active
[WTS] Longines Conquest 38mm Full Kit 2025

Longines Conquest 38mm Full Kit 2025

Longines - Conquest $1,450
This Longines Conquest 38mm is a fantastic everyday piece with all the boxes and accessories included. It runs well and fits perfectly.

  • Condition: Fantastic condition
  • Case size: 38mm
  • Strap type: Rubber strap
  • Adjustment feature: Micro adjust
Posted at
Jan 18, 2026, 3:43 PM
Active
[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

Longines - L3.782.4 $999
A 2024 Longines HydroConquest watch with a black ceramic case and 43mm diameter.

  • Case material: black ceramic
  • Case size: 43mm diameter
  • Year of manufacture: 2024
Posted at
Jan 16, 2026, 3:58 PM
Active
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