Longines Conquest Conquest Quartz 29.5 Stainless Steel - Diamond / Black

Reference L3.300.0.57.6

Longines Conquest Quartz 29.5 Stainless Steel - Diamond / Black

About this watch

The Longines Conquest Quartz 29.5 Stainless Steel - Diamond / Black is a remarkable timepiece that beautifully balances elegance and functionality. With its rich heritage and commitment to quality, Longines has solidified its reputation in the luxury watch market. The Conquest line is a tribute to the spirit of adventure, designed for those who appreciate both sport and sophistication. This exquisite timepiece features a quartz movement with accuracy, a gem-set bezel that adds a luxurious touch, and a water resistance of 300 meters. Its elegant design makes it suitable for all occasions, from formal gatherings to outdoor adventures. With its thoughtful design and comfortable fit, the Conquest Quartz 29.5 is perfect for anyone who appreciates fine craftsmanship, a sporty aesthetic, and the allure of luxury.
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Key Features

  • Quartz movement with accuracy
  • Gem-set bezel adds luxurious touch
  • Water resistance up to 300 meters
  • Elegant design suitable for all occasions
  • Thoughtful design for comfortable fit
  • Stainless steel case with sapphire glass
  • Longines caliber L152

Specifications

Brand
Longines
Family
Conquest
Model
Conquest Quartz 29.5 Stainless Steel - Diamond / Black
Reference
L3.300.0.57.6
Movement
l152
Movement Features
  • Hours, Jumping Minutes, Seconds
  • Date
Case
Stainless Steel
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines HydroConquest 39mm - $1,995

Longines HydroConquest 39mm - $1,995

Longines - HydroConquest · $1,995
The Longines HydroConquest is a 39mm automatic watch with a green dial, powered by the L888.5 movement and featuring a 300m water resistance.

  • Condition: Excellent condition
  • Case width: 39mm (without crown)
  • Lug to lug length: 48.1mm
  • Lug spacing: 20mm
Posted at
May 16, 2026, 1:20 PM
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[WTS] Longines HydroConquest Two Tone Green Dial $1499

Longines HydroConquest Two Tone Green Dial $1499

Longines - HydroConquest · $1,499
Longines HydroConquest Two Tone Green Dial for sale

Posted at
May 16, 2026, 11:33 AM
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[WTS] Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines HydroConquest 42mm | 2026 Gen | Green Ceramic | Green Lacquered Dial | Ref. L3.788.4.06.6 | Never Sized, Never Worn | Full Kit | Warranty Card 5/8/26

Longines - L3.788.4.06.6 · $1,999
This is the first real redesign the HydroConquest has seen in nearly a decade with thinner case and upgraded ceramic bezel with audible click.

  • Condition: Never sized, never worn
  • Movement: Calibre L888.5, automatic, silicon balance spring, 72hr power reserve
  • Water resistance: 300m / 30 bar
  • Box papers: Full double-box set with instruction manual and tags present
Posted at
May 16, 2026, 10:58 AM
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[WTS] Longines Conquest L3.835.4.72.6

Longines Conquest L3.835.4.72.6

Longines - L3.835.4.72.6 · $2,175
This Longines Conquest features a panda dial and is available for sale in excellent condition, with almost no signs of wear.

  • Condition: Excellent condition
  • Payment Methods: Crypto, other methods accepted (fee applies)
  • Location: Southwest FL
  • Trades Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 15, 2026, 2:33 PM
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[WTS] Longines Hydroconquest 41mm Black dial

Longines Hydroconquest 41mm Black dial

Longines - L3.781.4.56 · $1,100
A Longines Hydroconquest 41mm with a black dial is being sold. The watch features an original box and bracelet, as well as two additional straps.

  • Condition: Very good condition, a few scuffs on the sapphire but no scratches
  • Case size: 41mm
  • Bracelets: 2
  • Straps: 2
Posted at
May 15, 2026, 2:06 PM
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[WTS] Longines Hydroconquest 39mm L3.779.4.96.6

Longines Hydroconquest 39mm L3.779.4.96.6

Longines - L3.779.4.96.6 · $2,100
A Longines Hydroconquest 39mm with a frosted blue dial, this watch features a unique and stylish design.

  • Condition: Like new
  • Size: 39mm diameter
Posted at
May 14, 2026, 10:43 PM
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[WTS] Longines Hydroconquest 39mm

Longines Hydroconquest 39mm

Longines - HydroConquest 39mm · $2,000
A Longines Hydroconquest diver's watch in excellent condition, featuring a 2026 movement and virtually no signs of wear.

  • Condition: 9.6/10 - extremely clean example
  • Movement: 2026
  • Case condition: virtually no signs of wear
  • Box included: true
Posted at
May 14, 2026, 10:36 PM
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[WTS] Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit - repost

Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit - repost

Longines - L3.835.4.98 · $2,450
This Longines Conquest Chronograph features a 42mm case size and blue ceramic bezel, making it a stylish and functional timepiece.

  • Condition: Excellent
  • Case Size: 42mm
Posted at
May 14, 2026, 8:54 PM
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[WTS] Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines Hydroconquest 39mm Limited Edition Commonwealth Games Mint

Longines - L3.779.4.09.9 · $2,950
A limited edition Longines Hydroconquest, purchased just a week ago and still under warranty.

  • Condition: Mint
  • Case Size: 39mm
  • Limited Edition Quantity: 2026 pieces
  • Warranty Length: five years
Posted at
May 12, 2026, 4:37 PM
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