Longines Master Collection Master Collection 29 Black Diamond / Bracelet

Reference L2.257.4.57.6

About this watch

The Longines Master Collection 29 Black Diamond / Bracelet, model L2.257.4.57.6, is a masterpiece of fine watchmaking that exudes elegance and sophistication. This stunning timepiece boasts a classic round shape with a 29mm diameter, perfectly balancing daintiness and substance. The black dial shines with gem-set indexes, adding a touch of luxury that's hard to ignore. Exquisite feuille hands elevate the design while providing easy reading. At its core is the reliable automatic Longines caliber L595 movement, featuring 20 jewels and a frequency of 28,800 vibrations per hour. Its impressive 40-hour power reserve means you can take it off for a weekend and still keep ticking when you put it back on. The watch is crafted from high-quality stainless steel, offering durability and aesthetic appeal. Sapphire glass ensures scratch resistance, while the open case back lets you admire the intricate workings of the movement. The comfortable bracelet is designed for flexibility and style, complementing the watch's overall luxury aesthetic.
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Key Features

  • Longines caliber L595 automatic movement
  • Gem-set indexes on black dial
  • Exquisite feuille hands for easy reading
  • 40-hour power reserve
  • High-quality stainless steel case
  • Scratch-resistant sapphire glass
  • Comfortable and flexible bracelet

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 29 Black Diamond / Bracelet
Reference
L2.257.4.57.6
Movement
l595
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 29mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped

Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped[WTS] Longines Master Collection Chronograph w/ Custom 1.5 Link for Perfect Sizing! Ref L2.629.4.78.6 - $1,500 Shipped

Longines - L2.629.4.78.6 · $1,500
This is an automatic chronograph watch with a classic white dial and a chronograph function, packaged in its original box with papers included.

  • Condition: Next to new
  • Bracelet size customization: Custom 1.5 link
  • Thickness: 11.7mm
Posted at
Feb 5, 2026, 10:22 AM
Active
[WTS] Longines Master Collection Moonphase Chronograph 40mm L2.673.4.78.6

Longines Master Collection Moonphase Chronograph 40mm L2.673.4.78.6

Longines - L2.673.4.78.6 · $1,850
This Longines Master Collection Moonphase Chronograph features a 40mm case and includes a column wheel chronograph, 12 hour chronograph, moonphase display, and triple calendar.

  • Condition: Pre-owned with wear and use, some scratches and scuffs
  • Authentication: includes Box and Papers with Ebay authentication
  • Service history: unknown, previous owner claimed serviced before selling
  • Box condition: slightly damaged with one flap falling off and taped
Posted at
Jan 31, 2026, 4:06 PM
Active
[WTS] REDUCED PRICE! Longines Master Collection Moon Phase (L29094517) ($1600)

REDUCED PRICE! Longines Master Collection Moon Phase (L29094517) ($1600)

Longines - L29094517 · $1,600
This Longines Master Collection Moon Phase watch has been worn minimally and is in terrific working order. It features a scratch-free crystal, case, and leather strap.

  • Condition: Like new - minimal wear
  • Purchase Price: 2350
  • Asked Price Drop: 150
  • Shipping Included: true
Posted at
Jan 28, 2026, 11:24 PM
Active
[WTS] Longines Master Collection Moon Phase Chronograph (40mm) L2.673.4.78.3

Longines Master Collection Moon Phase Chronograph (40mm) L2.673.4.78.3

Longines - L2.673.4.78.6 · $2,250
A Longines Master Collection Moon Phase Chronograph with a 40mm case, automatic caliber L687, and various complications including date, moon phase display, and chronograph.

  • Case size: 40mm diameter
  • Thickness: 14.3mm
  • Movement frequency: 28'800 VPH
Posted at
Jan 27, 2026, 8:44 PM
Active
[WTS] Longines Master Collection Moon Phase (L29094517) ($1700)

Longines Master Collection Moon Phase (L29094517) ($1700)

Longines - L29094517 · $1,700
A Longines Master Collection Moon Phase watch with a minimal owner history, kept in great condition and complete with original papers, box, and warranty card. The watch is sold with shipping included.

  • Condition: Like new with minimal wear
  • Year purchased: 2021
  • Original price: 2350
Posted at
Jan 22, 2026, 10:04 PM
Active