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.
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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. Big Date. 40mm. Automatic.

Longines Master Collection. Big Date. 40mm. Automatic.

A Longines Master Collection watch with a big date display and automatic movement, featuring a 40mm case size.

  • Case diameter: 40mm
  • Shipping cost included: true
Posted at
Dec 11, 2025, 9:14 AM
Active
[WTS] 40mm Longines Master Collection Chronograph / Moon Phase Ref.L2.673.4.78.3

40mm Longines Master Collection Chronograph / Moon Phase Ref.L2.673.4.78.3

Longines - L2.673.4.78.3 · $2,250
The Longines Master Collection Chronograph with Moon Phase features a chronograph, moon phase display, and a full calendar. It has a 40mm case size and is powered by an automatic caliber L687 movement.

  • Condition: Great condition, minor marks on the case
  • Movement: Automatic caliber L687 (modified ETA Valjoux 7751)
  • Case size: 40mm
  • Functions: Chronograph, moon phase display, full calendar (day, date, month)
Posted at
Dec 11, 2025, 1:11 AM
Active
[WTS] Lot of three Longines (Conquest, Master Collection, and Spirit) and two NOMOS Glashütte (Club Automat and Metro Neomatik), some with unworn bands, boxes, and papers. Over $16k retail, asking only $6995 for all five watches.

Lot of three Longines (Conquest, Master Collection, and Spirit) and two NOMOS Glashütte (Club Automat and Metro Neomatik), some with unworn bands, boxes, and papers. Over $16k retail, asking only $6995 for all five watches.

A collection of five watches from Longines and NOMOS Glashütte, including the Conquest, Master Collection, Spirit, Club Automat Datum Dunkel, and Metro Neomatik 41 Update.

  • Retail value: $16k
  • Shipping: CONUS shipped
  • Payment methods: Zelle/Venmo preferred, PayPal FF available
Posted at
Dec 7, 2025, 7:25 PM
Active
Longines Master Collection Moonphase L2.673.4.78.3 [WTS]

Longines Master Collection Moonphase L2.673.4.78.3

Longines - L2.673.4.78.3 · $2,100
This is a Longines Master Collection Moonphase watch in the 40mm size, featuring a moonphase display and a full kit with leather strap, links, spring bars, inner box, outer box, manuals, and hang tags.

  • Condition: Near perfect with one small mark near the lugs
  • Size: 40 mm diameter
  • Strap condition: Shows some signs of wear
Posted at
Nov 30, 2025, 11:46 AM
Active