Longines Master Collection Master Collection 40 Chronograph Calendar Stainless Steel / Black / Strap

Reference L2.673.4.51.5

About this watch

The Longines Master Collection 40 Chronograph Calendar is a masterpiece of horology, boasting a stunning black dial with guilloche finish and Roman numeral indexes. Crafted from high-quality stainless steel, the case strikes a perfect balance between durability and sophistication. The Longines Caliber L678.2 movement is a powerhouse, featuring a full calendar, chronograph, and moon phase indicator. This self-winding movement ensures remarkably precise timekeeping with a frequency of 28,800 vibrations per hour and a power reserve of 42 hours. With indicators for day, date, month, and a 24-hour hand, you'll always be in the know. The watch is a versatile companion, suitable for formal events or casual wear, and its comfortable strap ensures everyday wearability.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Longines Caliber L678.2 movement
  • Stainless steel case with sapphire glass
  • Water resistance up to 30 meters
  • Chronograph and calendar functions
  • Moon phase indicator
  • Frequency of 28,800 vibrations per hour
  • Power reserve of 42 hours

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 40 Chronograph Calendar Stainless Steel / Black / Strap
Reference
L2.673.4.51.5
Movement
l678-2
Movement Features
  • Hours, Minutes, Small Seconds, Additional 24 Hour Hand (fixed)
  • Date, Day, Month
  • Chronograph
  • Moonphase
Case
Stainless Steel 40mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection Moon Phase Chronograph (40mm) reference L2.673.4.78.6

Longines Master Collection Moon Phase Chronograph (40mm) reference L2.673.4.78.6

Longines - L2.673.4.78.6 · $2,250
A beautiful Longines Master Collection Moon Phase Chronograph with a 40mm case, featuring hours, minutes, small seconds, date, and chronograph functions.

  • Condition: Excellent used condition
  • Case size: 40mm diameter
  • Thickness: 14.3mm
  • Power reserve: 66 hour
Posted at
Feb 6, 2026, 12:28 PM
Active
[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