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

Reference L2.773.4.51.7

About this watch

The Longines Master Collection 42 Chronograph Calendar boasts stunning design with its stainless steel case, polished finish, and black guilloche dial. The feuille hands provide clarity, while the Roman numeral indexes add a classic touch. At the core of this watch is the reliable Longines caliber L678.2 movement, offering a plethora of functions including chronograph, moonphase indicator, full calendar, and 24-hour indicator. This timepiece checks all the boxes for watch enthusiasts and casual wearers alike, with its elegant design, robust movement, and luxurious alligator leather strap. The Longines Master Collection 42 is perfect for those who appreciate the finer things in life, whether you're heading to a formal event or a casual outing with friends. Its timeless design ensures that it won't go out of style, making it a worthy investment.
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Key Features

  • Stainless Steel Case
  • Sapphire Glass
  • Water Resistance up to 30 meters
  • Chronograph Function
  • Moonphase Indicator
  • Full Calendar Display
  • 24-Hour Indicator

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 42 Chronograph Calendar Stainless Steel / Black-Roman / Alligator
Reference
L2.773.4.51.7
Movement
l678-2
Movement Features
  • Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed)
  • Date, Day, Month
  • Chronograph
  • Moonphase
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines - L2.631.4.70.6 · $1,550
The Longines Master Collection World Time Ref. L2.631.4.70.6 is a modern travel watch with a stainless steel case, silver barleycorn dial, and world-time city ring.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Bracelet length: up to 20cm (8 inches)
  • Movement: Longines Calibre L635 (based on ETA 2824-2 with GMT/world-time complication)
Posted at
May 10, 2026, 10:47 PM
Active
[WTS] Longines Master Collection Moonphase L2.909.4.78 — 40mm — Full Kit — $1,699 Shipped 🔥

Longines Master Collection Moonphase L2.909.4.78 — 40mm — Full Kit — $1,699 Shipped 🔥

Longines - L2.909.4.78 · $1,699
A Longines Master Collection Moonphase watch in a 40mm case, featuring a moon phase display.

  • Condition: Good overall, with light hairlines throughout.
  • Case size: 40mm
  • Shipping options: FedEx 2-Day fully insured (+$15 overnight)
  • Shipping location: Chicago
Posted at
May 10, 2026, 7:59 PM
Active
[WTS] LONGINES MASTER COLLECTION MOONPHASE 42mm

LONGINES MASTER COLLECTION MOONPHASE 42mm

A Longines Master Collection Moonphase watch with a 42mm diameter and moon phase functionality.

  • Condition: New
  • Case Size: 42mm diameter
  • Box And Papers: true
Posted at
May 9, 2026, 4:10 PM
Active
[WTS] 2022 Longines Master Collection L26734920 Moonphase Blue dial - Box + Papers

2022 Longines Master Collection L26734920 Moonphase Blue dial - Box + Papers

Longines - L26734920 · $2,890
The Longines Master Collection is an elegant and highly regarded automatic wristwatch that blends classic watchmaking with refined complications. It features a blue dial with a full calendar display, moonphase display, and running seconds.

  • Condition: attractive condition with honest signs of previous wear
  • Case size: 42mm diameter
  • Movement type: automatic
Posted at
May 8, 2026, 2:46 PM
Active
[WTS] Longines Master Collection l26734786

Longines Master Collection l26734786

Longines - L2.673.4.78.6 · $2,100
A classic piece that blends timeless design with everyday wearability, perfect for both formal and casual occasions.

  • Condition: 9/10 (very well cared for)
  • Movement type: Automatic
  • Complications: Chronograph + day/date
Posted at
May 1, 2026, 11:19 AM
Active
[WTS] Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines Master Collection World Time Ref. L2.631.4.70.6 | Excellent Condition (Box, Booklet, Card) | $1550

Longines - L2.631.4.70.6 · $1,550
The Longines Master Collection World Time Ref. L2.631.4.70.6 features a modern travel watch design with a stainless steel case and silver barleycorn dial. It includes a world-time city ring, 24-hour scale, and GMT/world-time complication powered by the modified ETA 2824-2 movement.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Bracelet length: up to 20cm (8 inches)
  • Movement type: Longines Calibre L635, based on the ETA 2824-2
Posted at
Apr 29, 2026, 9:19 PM
Active