Longines Conquest Conquest 29.5 Quartz Ceramic

Reference L3.257.4.57.6

About this watch

The Longines Conquest 29.5 Quartz Ceramic is a sophisticated, reliable, and stylish timepiece that ticks all the boxes. Its combination of quality materials, impressive movement, and elegant design makes it a worthy addition to any watch collection. The black ceramic case exudes elegance while also providing durability. A quartz movement based on the ETA 956.112 provides hours, minutes, seconds, and a date function with reliability and accuracy. With a water resistance rating of 300 meters, you can take it for a swim, snorkel, or even dive without worrying about damaging your watch. The Conquest 29.5 is a statement piece that tells the world you appreciate the finer things in life.
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Key Features

  • Black ceramic case
  • Quartz movement based on ETA 956.112
  • Sapphire glass with scratch resistance
  • Water resistance rating of 300 meters
  • Durable stainless steel and ceramic materials
  • Comfortable 15 mm lug width
  • Impressive quartz movement reserve

Specifications

Brand
Longines
Family
Conquest
Model
Conquest 29.5 Quartz Ceramic
Reference
L3.257.4.57.6
Movement
l250
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
29.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines "Conquest" 1970s/Early '80s Integrated Solid Link Bracelet, Calibre L.746.2 Ref.4384 (ETA 954.111) $440 (details/description in the comments)

Longines - 4384 · $440
This vintage Swiss-made Longines 'Conquest' is a beautiful example of an integrated steel sports watch from the late-1970s. The design embodies elegance and simplicity with its TV dial shape, high polish stick indices, and finely brushed case.

  • Condition: Great condition, minor general wear
  • Bracelet type: Integrated solid link
  • Bracelet material: Steel
  • Bracelet finish: Finely brushed
Posted at
Apr 28, 2026, 11:43 PM
Active
[WTS] Longines Hydroconquest 39mm Black MINT

Longines Hydroconquest 39mm Black MINT

A Longines Hydroconquest 39mm in black, described as 'SUPER SUPER SUPER watch' with a comfortable bracelet and excellent bezel action.

  • Condition: MINT, basically new
  • Bracelet length: Super comfortable
  • Bezel action: Great
Posted at
Apr 28, 2026, 9:37 PM
Active
[WTS] 1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $650

1960s Longines Conquest Ref. 7012.1 Cal.291 | Great Condition (Serviced) | $650

This 1960s Longines Conquest is a classic everyday piece from the brand's golden era, featuring a clean and well-proportioned design backed by an in-house movement.

  • Condition: Great serviced condition
  • Case size: 35mm
  • Lug width: 18mm
  • Crystal material: plexiglass
Posted at
Apr 28, 2026, 11:25 AM
Active
[WTS] Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines HydroConquest Green Dial Two Tone $1350 41mm

Longines - HydroConquest · $1,350
This Longines HydroConquest features a green dial and two-tone design.

Posted at
Apr 28, 2026, 9:41 AM
Active
[WTS] Longines HydroConquest 43mm

Longines HydroConquest 43mm

A Longines HydroConquest 43mm diver watch for sale, with excellent timekeeping and minimal signs of wear.

  • Condition: Pre-owned with normal wear
  • Bracelet condition: normal wear with worn clasp
  • Case condition: scratch-free except on the back
  • Papers included: true
Posted at
Apr 27, 2026, 9:05 PM
Active
[WTS] Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

Longines HydroConquest 39mm 2026 Commonwealth Games Limited Edition

This is a brand new, unworn Longines HydroConquest limited edition watch from the 2026 Commonwealth Games collection. It features a 39mm case and comes with various accessories.

  • Condition: Brand New Unworn
  • Case size: 39mm
  • Limited edition status: One of 2026
Posted at
Apr 27, 2026, 11:58 AM
Active
[WTS][US] Longines Conquest - Blue - 41mm - L3.830.4.92.6 - 2026 NEW - Full Set w/ 5-Year Warranty

[US] Longines Conquest - Blue - 41mm - L3.830.4.92.6 - 2026 NEW - Full Set w/ 5-Year Warranty

Longines - L3.830.4.92.6 · $1,950
A 2026 Longines Conquest in blue, with a 41mm case size and a full set of accessories including a 5-year warranty.

  • Condition: New, unworn
  • Case Size: 41mm diameter
Posted at
Apr 27, 2026, 8:32 AM
Active
[WTS] Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

Longines Hydroconquest 41mm ceramic Ref. L3.781.4.56.6

This Longines Hydroconquest features a 41mm ceramic case, black dial, and is sized for an approximate 7.4" wrist.

  • Condition: Pre-owned with scratches on the case and bracelet
  • Case material: ceramic
  • Bracelet size: 7.4in diameter
  • Warranty: no warranty included
Posted at
Apr 26, 2026, 7:58 PM
Active
[WTS] Longines Conquest Chronograph 42mm – Blue Ceramic Bezel – Ref. L3.835.4.98 – Full Kit

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

Longines - L3.835.4.98 · $2,499
This Longines Conquest Chronograph features a blue ceramic bezel and measures 42mm in diameter.

  • Condition: Excellent condition
  • Case Size: 42mm diameter
  • Box: yes
  • Instruction Manual: yes
Posted at
Apr 26, 2026, 6:35 PM
Active