Longines Conquest Conquest Automatic 29.5 Ceramic Diamond

Reference L3.299.0.87.7

About this watch

The Longines Conquest Automatic 29.5 Ceramic Diamond is a stunning blend of elegance and functionality, featuring a mother-of-pearl dial, gem-set indexes, and a luxurious bezel. Crafted from high-quality stainless steel, this 29.5mm watch boasts a classic round shape and sleek closed case back. Powered by the Longines caliber L595, it offers precision, reliability, and a 40-hour power reserve. With a water resistance of 50 meters, it's perfect for daily wear, but not suitable for diving. This luxury timepiece is ideal for fashion-forward individuals who appreciate elegant accessories, professionals looking for a versatile watch, and watch enthusiasts who value Swiss craftsmanship.
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Key Features

  • Automatic Movement
  • Mother-of-Pearl Dial
  • Gem-Set Indexes
  • Luxurious Bezel
  • 40-Hour Power Reserve
  • 50-Meter Water Resistance
  • Swiss Craftsmanship

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Automatic 29.5 Ceramic Diamond
Reference
L3.299.0.87.7
Movement
l595
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 29.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

2024 Longines HydroConquest 43mm Black Ceramic L3.782.4

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

  • Case material: black ceramic
  • Size: 43mm diameter
Posted at
Feb 8, 2026, 1:07 PM
Active
[WTS] Longines Conquest 38mm Green Dial

Longines Conquest 38mm Green Dial

Longines - L3.702.4 · $1,450
A Longines Conquest watch featuring a green dial in a 38mm case.

  • Case size: 38mm
  • Dial color: green
Posted at
Feb 7, 2026, 5:05 PM
Active
[WTS] 2024 Longines Conquest 41mm - Blue Dial Redesign - Full Set - Oct 2025 Receipt

2024 Longines Conquest 41mm - Blue Dial Redesign - Full Set - Oct 2025 Receipt

Longines - Conquest · $1,250
The 2024 Longines Conquest features a sunray blue dial and updated 100m water resistance, with an L888 mechanical automatic movement.

  • Condition: Near-mint
  • Movement: L888
  • Water Resistance: 100m
Posted at
Feb 6, 2026, 3:15 PM
Active
[WTS] Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

Longines Hydroconquest 41m Green full kit with OEM bracelet and rubber strap

For sale is my Longines Hydroconquest 41m ceramic automatic in green. It's a stainless steel case with ceramic bezel and Swiss automatic movement (Longines Calibre L888 series) with approx. 72 hr power reserve.

  • Condition: Used
  • Case Size: 41 mm diameter
  • Case Material: Stainless steel case
  • Movement: Longines Calibre L888 series, approx. 72 hr power reserve
Posted at
Feb 6, 2026, 9:31 AM
Active
[WTS] Longines HydroConquest (Ref. L3.782.4.96.6) $975

Longines HydroConquest (Ref. L3.782.4.96.6) $975

The Longines HydroConquest is a 43mm Swiss automatic diver’s watch featuring a sunray blue dial and 300 meter water resistance.

  • Condition: Very good pre-owned
  • Diameter: 43mm
  • Water Resistance: 300m depth rating
  • Movement: L888 caliber
Posted at
Feb 4, 2026, 11:11 PM
Active
[WTS] Longines Conquest VHP Perpetual Calendar w/Box and Tags

Longines Conquest VHP Perpetual Calendar w/Box and Tags

This is a perpetual calendar watch with accurate timekeeping within +5/-5 seconds per year, featuring a large but comfortable design due to its curved lugs and butterfly clasp bracelet.

  • Box: included
  • Tags: included
  • Papers: not included
Posted at
Feb 4, 2026, 11:32 AM
Active
[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 is a great and easy piece to wear, featuring a deployment clasp and available on the newly released rubber strap in green.

  • Condition: Brand new
  • Strap: rubber strap in green
  • Warranty: 9/25 warranty card
Posted at
Feb 2, 2026, 6:55 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
2024 Longines HydroConquest 43mm Black Ceramic watch for sale.

  • Case Size: 43mm
  • Year: 2024
Posted at
Jan 30, 2026, 9:33 PM
Active
[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