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.
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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 Moonphase 42mm – 2023-2024 movement L899.5 $1500

Longines Master Collection Moonphase 42mm – 2023-2024 movement L899.5 $1500

Longines - L2.919.4.78.3 · $1,500
A Longines Master Collection Moonphase watch in excellent condition, featuring a 42mm stainless steel case, silver barleycorn dial, and automatic L899.5 movement.

  • Condition: Excellent condition
  • Case size: 42mm diameter
  • Movement caliber: L899.5
  • Power reserve: ~72-hour power reserve
Posted at
Feb 11, 2026, 1:31 PM
Active
[WTS] Longines Master Collection Chronograph Moonphase L2.673.4.61.2 – $2,850 shipped

Longines Master Collection Chronograph Moonphase L2.673.4.61.2 – $2,850 shipped

Longines - L2.673.4.61.2 · $2,850
This Longines Master Collection Chronograph Moonphase features a chronograph function and moon phase display. The watch is in excellent condition with very minor signs of wear.

  • Condition: Excellent overall condition, lightly worn
  • Case wear: very minor signs
  • Crystal condition: flawless
  • Dial condition: flawless
Posted at
Feb 8, 2026, 1:09 PM
Active
[WTS] Longines Master Collection Moonphase Chronograph L2.673.4.78.3

Longines Master Collection Moonphase Chronograph L2.673.4.78.3

Longines - L2.673.4.78.3 · $2,050
This Longines Master Collection Moonphase Chronograph features an array of complications, a 40mm size, automatic movement, and original strap.

  • Condition: fair to good pre-owned condition
  • Size: 40mm diameter
  • Movement: Automatic movement
Posted at
Feb 8, 2026, 10:03 AM
Active
[WTS] Longines Avigation automatic Chronograph with OEM leather and Master Collection steel bracelet(price reduction)

Longines Avigation automatic Chronograph with OEM leather and Master Collection steel bracelet(price reduction)

Longines - L2.629.4 · $1,250
The Longines Avigation automatic Chronograph features a 40mm black dial with date functionality and chronograph capabilities. It comes with an OEM leather strap and a master collection steel bracelet, making it suitable for both formal and sporty occasions.

  • Condition: Lightly used
  • Bracelet price: $400 (Master Collection steel)
  • Shipping: FedEx 'hold at location'
  • Accepted payment methods: Zelle, cash app, PayPal F&F and G&S(+4.5%)
Posted at
Feb 6, 2026, 8:02 PM
Active
[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