Longines Master Collection Master Collection Chronograph

Reference L2.693.4.51.6

About this watch

The Longines Master Collection Chronograph L2.693.4.51.6 embodies the brand's ethos of sophistication and precision. It’s designed for those who appreciate the finer things in life and desire a watch that not only tells time but also tells a story. The L2.693.4.51.6 model is no exception, offering a delightful mix of traditional craftsmanship and modern technology. At the heart of the Longines Master Collection Chronograph is the Longines caliber L683.2, an automatic movement with 27 jewels and a frequency of 28,800 vibrations per hour. Crafted from premium stainless steel, the case exudes durability while retaining a sophisticated look. The open case back allows you to admire the intricate movement inside, a feature that watch enthusiasts will appreciate. The sapphire crystal not only enhances visibility but also provides a level of scratch resistance that is essential for a luxury watch. With its beautiful design, reliable movement, and comfortable wear, it’s a piece that can elevate any collection.
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Key Features

  • Longines Caliber L683.2 Movement
  • 44mm Stainless Steel Case
  • Sapphire Crystal

Specifications

Brand
Longines
Family
Master Collection
Model
Master Collection Chronograph
Reference
L2.693.4.51.6
Movement
l683-2
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
Case
Stainless Steel 44mm
Dial Color
Black
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