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

Reference L2.773.4.51.6

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

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

Current Listings

Longines Master Collection Chronograph 27594783

Longines - 27594783 · $1,700

A classically styled Longines Master Collection Chronograph featuring an automatic movement and column-wheel chronograph.

Condition: Very good condition, minor scratches
Movement type: automatic
Strap: blue suede aftermarket strap

Posted at

Jan 14, 2026, 11:34 AM

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Longines Master Collection Chrono Moonphase 40MM (L2.673.4.78.6), Longines Leather Strap, Additional Straps $2,200 Shipped

Longines - L2.673.4.78.6 · $2,200

This Longines Master Collection Chrono Moonphase is a 40MM watch with a moonphase feature and a leather strap. It comes with an additional warranty card and four straps, including three rubber deployant straps.

Condition: Minor surface marks, light use on straps
Box included: yes
Warranty valid until: December 2024

Posted at

Jan 12, 2026, 7:34 PM

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Longines Master Collection Chronograph Moonphase – Blue Dial – Blue Alligator - 42mm - FULL SET 2.5 months old - 50% MRP - Mint (Crazy Deal)

Longines - L26734920 · $2,150

This Longines Master Collection Chronograph Moonphase features a blue dial and blue alligator strap, measuring 42mm in diameter. It is a full set with two and a half months of age.

Condition: Mint
Age: 2.5 months old
Original price: $2150 (50% MRP)
Material: Blue alligator strap

Posted at

Jan 11, 2026, 6:41 PM

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[CA-USA][H] Longines Master Collection Moonphase L2.909.4.78.3 Automatic Watch - Repost/Price Reduced

Longines - L2.909.4.78.3 · $1,399

For sale is a Longines Master Collection Moonphase, purchased in 2021 and hardly worn.

Condition: Hardly used/worn
Movement Type: Automatic
Crystal Type: Sapphire
Water Resistance Bar: 3 bar

Posted at

Jan 11, 2026, 6:17 PM

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Longines Saint-Imier Edition Master Collection Retrograde Moonphase PRICE DROP

Longines - Saint-Imier Edition Master Collection Retrograde Moonphase · $3,000

This is a hard-to-find Longines Saint-Imier Edition Master Collection Retrograde Moonphase watch with various complications, including moon phase indicator, day/night indicator, retrograde date indicator, and more. It's powered by an automatic caliber L707 movement and features a classic look.

Condition: really great condition, minor everyday marks on clasp, case
Movement: Longines Caliber L707
Water resistance: 30m / 100ft
Case size: 44mm = 1 3/4"

Posted at

Jan 10, 2026, 7:53 AM

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Longines. Master Collection. Moonphase. 40mm. $1475 Only

Longines - L2.909.4.78.6 · $1,475

This Longines Master Collection Moonphase watch features a white textured dial and is in excellent condition, running well with all functions working properly.

Condition: Mint condition (7.75/10)
Bracelet type: OEM
Diameter: 40mm

Posted at

Jan 9, 2026, 4:27 PM

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Longines Master Collection ref. L2.793.4.73.2

Longines - L2.793.4.73.2 · $1,700

This Longines Master Collection watch features a 40mm case with engraved numerals on the dial and comes as a complete kit.

Condition: pre-owned, minor scratches
Case size: 40mm diameter
Lug to lug length: 43.2mm
Depth rating: 9.5mm

Posted at

Jan 8, 2026, 3:09 PM

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Longines Saint-Imier Edition Master Collection Retrograde Moonphase

Longines - Saint-Imier Edition Master Collection Retrograde Moonphase · $3,500

This is a hard-to-find Longines Saint-Imier Edition Master Collection Retrograde Moonphase watch, born in 2012, with a beautiful black dial and Arabic numeral hour markers. It features various complications including moon phase indicator, day/night indicator, retrograde day indicator, and more.

Condition: great condition for its age
Case diameter: 44mm
Water resistance: 30m / 100ft
Movement caliber: L707.2

Posted at

Jan 7, 2026, 2:18 PM

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