Longines Conquest Conquest 29.5 Quartz Ceramic

Reference L3.257.4.57.2

About this watch

The Longines Conquest 29.5 Quartz Ceramic is a statement piece, reflecting style, sophistication, and personal taste. This watch is not just about telling time; it's a testament to the brand's commitment to quality and craftsmanship. Founded in 1832, Longines has established a reputation for elegance and precision, blending traditional craftsmanship with modern technology. The Conquest series embodies the spirit of adventure and the pursuit of excellence, designed for those who appreciate both style and functionality. The L3.257.4.57.2 model marries robust features with a sleek aesthetic, featuring a quartz movement with 7 jewels and a power reserve of 26,280 seconds. Crafted from ceramic and stainless steel, this watch is lightweight, durable, and comfortable for all-day wear. Sapphire glass protects the dial, keeping it pristine and scratch-resistant. With its timeless black color, gem-set indexes, and stick hands, this watch exudes sophistication and elegance. Whether you're at a business meeting or out on the town, the Conquest 29.5 is built to handle any occasion with its impressive water resistance of 300 meters.
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Key Features

  • Quartz movement with 7 jewels
  • Power reserve of 26,280 seconds
  • Sapphire glass dial protection
  • Lightweight ceramic and stainless steel construction
  • Water resistance up to 300 meters
  • Timeless black color
  • Gem-set indexes for added luxury

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 29.5 Quartz Ceramic
Reference
L3.257.4.57.2
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
29.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

1958 Longines Conquest Calendar Ref. 9004-6 | Cal. 19ASD | $999 (Serviced & Shipped)

Longines - 9004-6 · $999
A 1958 stainless steel Longines Conquest Calendar in good condition, featuring a Cal. 19ASD automatic movement and a lightly worn leather strap.

  • Condition: Pre-owned, serviced
  • Case size: 35mm diameter
  • Lug-to-lug: 43mm
  • Thickness: 14.5mm
Posted at
Feb 21, 2026, 12:40 AM
Active
[WTS] Longines HydroConquest GMT 41mm L3.790.4

Longines HydroConquest GMT 41mm L3.790.4

Longines - L3.790.4 · $1,799
This Longines HydroConquest GMT is a 41mm watch featuring a 6.5 inch bracelet and an aftermarket rubber strap with deployant.

  • Bracelet Length: 6.5 inches
  • Case Size: 41mm
Posted at
Feb 19, 2026, 5:35 PM
Active
[WTS] Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines Conquest Rubber Strap L3.720.4.02.9 $1,699

Longines - L3.720.4.02.9 · $1,699
This Longines Conquest features a rubber strap in green and comes with all original boxes and papers.

  • Condition: Brand new
  • Warranty: 9/25 warranty card
Posted at
Feb 19, 2026, 3:47 PM
Active
[WTS] Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines HydroConquest 43mm Automatic – Black Dial – Full Kit – $1,095

Longines - L3.782.4 · $1,095
This Longines HydroConquest automatic watch features a black dial and 43mm case size, which provides a strong wrist presence.

  • Condition: very good
  • Case size: 43mm diameter
  • Case wear: normal wear consistent with careful use
Posted at
Feb 18, 2026, 4:40 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

A green ceramic automatic watch from Longines, part of the Hydroconquest series, featuring a Swiss movement with 72-hour power reserve.

  • Condition: Used with signs of wear
  • Case diameter: 41 mm
  • Water resistance: 300m / 30 bar
  • Movement: Longines Calibre L888 series with 72hr power reserve
Posted at
Feb 16, 2026, 4:12 PM
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[WTS] Longines Conquest Quartz | 41mm, Complete Set, Black Dial | $425 Shipped

Longines Conquest Quartz | 41mm, Complete Set, Black Dial | $425 Shipped

This watch is an Explorer-like Longines Conquest Quartz model with a 41mm stainless steel case and a black dial. It's in great condition, having been barely worn in an office environment.

  • Condition: great, barely worn
  • Case diameter: 41mm
  • Movement: Longines Quartz Caliber L157
  • Water depth rating: 300m
Posted at
Feb 12, 2026, 10:49 PM
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[WTS] Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit – $2,499 Shipped

Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit – $2,499 Shipped

Longines - L3.835.4.98 · $2,499
The Longines Conquest Automatic Chronograph features a 42mm stainless steel case, silver dial with contrasting blue subdials, and a blue tachymeter bezel for a sporty, modern aesthetic. It is powered by Longines’ automatic chronograph movement with date function and exhibition caseback.

  • Condition: Very good overall with light surface wear and hairlines
  • Case Size: 42mm
  • Bezel Material: Blue Ceramic
  • Bracelet Length: 7.75 inches + 1 link
Posted at
Feb 11, 2026, 9:20 PM
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[WTS] Longines Hydroconquest 41mm Blue - $850

Longines Hydroconquest 41mm Blue - $850

Longines - L37424966 · $850
A Longines Hydroconquest 41mm automatic diver features a blue sunburst dial, matching blue ceramic bezel and has excellent timekeeping capabilities.

  • Condition: Excellent with light signs of wear
  • Case size: 41mm diameter
  • Bezel material: Ceramic
  • Bracelet condition: Light scuffs on the clasp
Posted at
Feb 11, 2026, 1:00 PM
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[WTS] Longines Conquest Heritage Central Power Reserve 38mm—Excellent Condition

Longines Conquest Heritage Central Power Reserve 38mm—Excellent Condition

This watch features the modern Heritage model with the central power-reserve hand and an OEM Longines alligator strap.

  • Condition: Excellent Condition
  • Case Diameter: 38mm
Posted at
Feb 9, 2026, 10:40 PM
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