Longines Master Collection Master Collection 40 Moonphase Stainless Steel / Black-Diamond / Bracelet

Reference L2.909.4.57.6

About this watch

The Longines Master Collection 40 Moonphase L2.909.4.57.6 is a luxury timepiece that embodies elegance and functionality. With its glossy black dial adorned with gem-set indexes, it radiates sophistication. The watch features an automatic movement, Calibre L899.2, boasting a 64-hour power reserve. A moonphase complication allows users to track the lunar cycle, adding a touch of astronomy to the wrist. Paired with a date display and sapphire glass for scratch resistance, this watch is both practical and stylish. The stainless steel bracelet enhances comfort and durability, while the open case back showcases the intricate movement. With a water resistance rating of 30 meters, this timepiece handles occasional splashes and rain, but should be avoided in water.
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Key Features

  • Automatic Calibre L899.2 movement
  • Moonphase complication with date display
  • Sapphire glass for scratch resistance
  • Stainless steel bracelet for durability
  • Open case back showcasing intricate movement
  • Water resistance rating of 30 meters

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection 40 Moonphase Stainless Steel / Black-Diamond / Bracelet
Reference
L2.909.4.57.6
Movement
l899-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Moonphase
Case
Stainless Steel 40mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
30

Current Listings

[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
[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 · $2,100
This Longines Master Collection Moonphase Chronograph is a 40mm version featuring a Column Wheel, with a box and papers included.

  • Condition: Pre-owned with wear and use
  • Size: 40mm diameter
  • Box condition: Damaged with one flap falling off and taped
  • Papers included: Yes
Posted at
Nov 26, 2025, 11:56 PM
Active