Longines Master Collection Master Collection 40 Moonphase Stainless Steel / Silver-Arabic / Alligator

Reference L2.909.4.78.3

About this watch

The Longines Master Collection 40 Moonphase is a masterpiece of watchmaking that seamlessly blends traditional elegance with modern sophistication. Its sleek stainless steel case, measuring 40.00 mm in diameter, exudes refinement and style. The silver guilloche dial adds a touch of luxury, while the Arabic numerals provide easy readability. The moon phase complication at 6 o'clock is a nod to the astronomical tradition of watchmaking, displaying the current phase of the moon with precision. The automatic Longines caliber L899.2 movement offers a remarkable blend of reliability and precision, with a power reserve of 64 hours. The stainless steel case is resistant to wear and tear, making it suitable for everyday use, while the sapphire crystal ensures the dial remains scratch-free and clear. Paired with a luxurious alligator leather strap, this watch strikes the perfect balance between comfort and sophistication.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 40mm Stainless Steel Case
  • Silver Guilloche Dial with Arabic Numerals
  • Moon Phase Complication at 6 o'clock
  • Automatic Longines Caliber L899.2 Movement
  • 64-Hour Power Reserve
  • Sapphire Crystal
  • Luxurious Alligator Leather Strap

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 40 Moonphase Stainless Steel / Silver-Arabic / Alligator
Reference
L2.909.4.78.3
Movement
l899-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Moonphase
Case
Stainless Steel 40mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Longines Master Collection Small Seconds L2.843.4.63.2

Longines Master Collection Small Seconds L2.843.4.63.2

Longines - L2.843.4.63.2 · $1,500
The Longines Master Collection Small Seconds is a luxury watch featuring small seconds functionality.

  • Condition: no noticeable flaws
  • Straps Included: true
Posted at
Feb 21, 2026, 2:35 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 · $2,499
A Longines Master Collection Moon Phase Chronograph with a 40mm case, featuring complications including hours, minutes, small seconds, date, moon phase display and chronograph functions.

  • Condition: Excellent used condition
  • Case size: 40mm diameter
  • Thickness: 14.3mm
  • Lugu length: 46.7mm
Posted at
Feb 19, 2026, 8:07 PM
Active
Longines Master Collection Mens Automatic Watch - L2.628.5 - 38mm - USED [WTS]

Longines Master Collection Mens Automatic Watch - L2.628.5 - 38mm - USED

Longines - L2.628.5 · $999
The Longines Master Collection is a high-end watch featuring an automatic movement, suitable for formal occasions.

  • Condition: USED
Posted at
Feb 17, 2026, 9:58 PM
Active
[WTS] Longines Avigation w/ Master collection bracelet and OEM leather (Lowest price in the world)

Longines Avigation w/ Master collection bracelet and OEM leather (Lowest price in the world)

Longines - L2.629.4 · $1,200
A Longines Avigation Chronograph with a 40mm black dial, running strong and keeping great time.

  • Condition: Lightly used
  • Bracelet type: Master collection steel bracelet
  • Strap type: OEM leather strap
  • Wrist size compatibility: up to an 8+ inch wrist
Posted at
Feb 15, 2026, 12:59 PM
Active
[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