Longines Master Collection Master Collection 42 Moonphase Stainless Steel / Black-Roman / Bracelet

Reference L2.919.4.51.6

Longines Master Collection 42 Moonphase Stainless Steel / Black-Roman / Bracelet

About this watch

The Longines Master Collection 42 Moonphase is an exquisite timepiece that embodies classic design with a modern twist. This automatic watch features the reliable ETA A31.L91 movement, which powers a date display and moon phase complication. The stainless steel case is protected by sapphire crystal glass, while the black dial with Roman numeral indexes adds a touch of elegance. With its comfortable 21mm lug width and 30m water resistance, this watch is perfect for daily wear. Its high-quality Swiss movement and moonphase complication make it a unique addition to any collection.
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Key Features

  • Longines Caliber L899.2 Automatic Movement
  • Moon Phase Complication
  • Sapphire Crystal Glass
  • Stainless Steel Case with Black Dial
  • Roman Numeral Indexes
  • 21mm Lug Width for Comfortable Fit
  • 30m Water Resistance

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 42 Moonphase Stainless Steel / Black-Roman / Bracelet
Reference
L2.919.4.51.6
Movement
l899-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Moonphase
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[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

Longines - Master Collection Retrograde · $2,500
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
View listing on r/WatchExchange
[WTS] Longines Master Collection L2.773.4.78.3 Moonphase Automatic Box and Papers

Longines Master Collection L2.773.4.78.3 Moonphase Automatic Box and Papers

Longines - L2.773.4.78.3 · $2,190
The Longines Master Collection L2.773.4.78.3 is an elegant automatic wristwatch featuring a white dial, full calendar display, moonphase display, and running seconds.

  • Condition: Excellent, with light signs of careful wear on case and crystal
  • Case size: 42mm
  • Movement accuracy: +8 seconds per day
  • Bracelet/strap material: leather
Posted at
Mar 19, 2026, 2:37 PM
Active
View listing on r/WatchExchange
[WTS] Longines Master Collection - Retrograde - Silver "barleycorn" dial - Sun and Moon + Moon-phase - 44mm - Comes With Card

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

Longines - Master Collection Retrograde · $2,500
This Longines Master Collection Retrograde features a complex set of functions including GMT Moonphase, Self winding mechanical movement, and retrograde hand displays for day, date, and second time zone. It also includes a moonphase display and day/night indicator.

  • Condition: Used, works perfectly with no issues
  • Case Size: 44mm without crown
  • Lug Width: 22mm
  • Movement: Self winding mechanical, 28'800 vibrations per hour, 48 hours power reserve
Posted at
Mar 18, 2026, 1:54 PM
Active
View listing on r/WatchExchange
[WTS] Longines Master Collection L2.708.4.51.6 - $1099 - DHL

Longines Master Collection L2.708.4.51.6 - $1099 - DHL

Longines - L2.708.4.51.6 · $1,099
This Longines Master Collection features a refined black dial with Roman numeral indices, a power reserve indicator, and a timeless aesthetic.

  • Condition: Very Good (9.5/10)
  • Case size: 38.5mm diameter
  • Material: 316L Stainless Steel
  • Movement: Automatic Caliber L602.2, 28,800 vibrations per hour, 42 hours power reserve
Posted at
Mar 15, 2026, 3:16 PM
Active
View listing on r/WatchExchange
[WTS] Longines Master Collection 190th Anniversary L2.793.4.73.2 Full Set $1450 Shipped - Repost and Price Drop

Longines Master Collection 190th Anniversary L2.793.4.73.2 Full Set $1450 Shipped - Repost and Price Drop

Longines - L2.793.4.73.2 · $1,450
The 40mm dial is amazing and looks great on the Longines leather bracelet with deployment clasp.

  • Condition: Like New
  • Bracelet options: Longines leather, Milanese
  • Shipping: CONUS only
Posted at
Mar 13, 2026, 12:33 PM
Active
View listing on r/WatchExchange