Longines Master Collection Master Collection 42 Chronograph Calendar Stainless Steel / Black-Roman / Bracelet

Reference L2.773.4.51.6

About this watch

The Longines Master Collection L2.773.4.51.6 is a masterpiece of luxury watchmaking, blending sophistication with functionality in perfect harmony. This stunning timepiece features a 42mm stainless steel case, beautifully polished to exude a luxurious feel. The black guilloché dial is a visual treat, adorned with Roman numerals that add a classic touch. The feuille hands glide effortlessly over the dial, making it easy to read the time at a glance. With its reliable Longines caliber L687.2 movement, boasting a power reserve of up to 54 hours and a frequency of 28,800 vibrations per hour, this watch is all about precision. The chronograph feature allows for effortless measurement of elapsed time, while the full calendar functionality ensures you're always in the loop. A high-quality stainless steel bracelet completes this exceptional timepiece, offering comfort and security on your wrist.
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Key Features

  • 42mm Stainless Steel Case
  • Black Guilloché Dial with Roman Numerals
  • Longines Caliber L687.2 Movement with 54-hour Power Reserve
  • Chronograph Functionality for Elapsed Time Measurement
  • Full Calendar and Moonphase Indicators
  • Sapphire Crystal Glass for Optimal Clarity
  • Adjustable Stainless Steel Bracelet with Deployment Clasp

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 42 Chronograph Calendar Stainless Steel / Black-Roman / Bracelet
Reference
L2.773.4.51.6
Movement
l687-2
Movement Features
  • Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed)
  • Date, Day, Month
  • Chronograph, Column wheel
  • Moonphase
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] The Most Complicated Watch Longines Makes — Master Collection Moonphase Chrono

The Most Complicated Watch Longines Makes — Master Collection Moonphase Chrono

Longines - L2.673.4.78.6 · $2,095
The watch features a chronograph, moonphase, and full calendar functions packed into a single dial.

  • Condition: Near mint condition
  • Case size: 40mm diameter
Posted at
Apr 3, 2026, 1:13 PM
Active
[WTS] Longines Master Collection, Triple Date Moonphase 40mm OEM Bracelet + Leather Strap - $1,890

Longines Master Collection, Triple Date Moonphase 40mm OEM Bracelet + Leather Strap - $1,890

Longines - L2-673-4-78-3 · $1,890
Up for sale is my very good condition Longines Master Collection, with the Triple Date and Moonphase complication.

  • Condition: Very good condition
  • Case material: Steel
  • Crystal status: Clean
  • Bracelet type: Original Longines
Posted at
Mar 31, 2026, 9:45 PM
Active
[WTS] Longines Master Collection - Retrograde -  Silver "barleycorn" dial - Sun and Moon + Moon-phase - 44mm - With Card

Longines Master Collection - Retrograde - Silver "barleycorn" dial - Sun and Moon + Moon-phase - 44mm - With Card

A highly complicated Longines Master Collection Retrograde watch featuring a silver 'barleycorn' dial and a self-winding mechanical movement. It includes functions such as GMT moonphase, retrograde hands, small seconds, 24-hour second time zone, and a day-night indicator.

  • Condition: Excellent, works perfectly with no issues
  • Size: 44mm diameter
  • Lug width: 22mm
  • Water resistance: 3 bar
Posted at
Mar 25, 2026, 2:49 PM
Active