The Basics

This chronograph is an accurate and reliable timepiece for daily use. It is fitted with a Longines L651 automatic movement. This watch offers all the functions of a standard timepiece, i.e. hour, minute and seconds hands and date. As a chronograph it can be used to time events lasting up to 30 minutes, showing the results in fifths of a second.

Brand: Longines
Family: Master Collection
Reference: L2.669.4.51.7 (aka: L26694517)
Name: Master Collection Chronograph
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.669.4.51.7 from Master Collection watch family, including the price, case details and movement features.

Longines Master Collection L2.669.4.51.7

The Details

Longines’s Master Collection Chronograph (L2.669.4.51.7 (aka: L26694517)) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 42-hour power reserve when fully wound.

The Case

The stainless steel case measures 39mm in diameter and roughly mm thick. The round case is paired with a black color dial with feuille-shaped hands, and a roman numerals hour markers and minute track, covered by a sapphire glass. Longines’s Master Collection model L2.669.4.51.7 is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Display
Shape: Round
Diameter: 39mm
Height: mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Master Collection L2.669.4.51.7 movement is a powered by caliber L651 made by Longines. The 37-jewel automatic movement is 28mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 42-hour power reserve.

Type: Automatic
Brand: Longines
Caliber: L651
Base: ETA 2894-2
Display: Analog
Diameter: 28mm
Jewels: 37
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds
Chronograph: Chronograph

The Price

How much does the Longines’s Master Collection L2.669.4.51.7 cost? This watch was introduced in N/A and has been in Longines’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.


For more information, visit Longines online.


  • Brand: Longines
  • Model: Master Collection Chronograph
  • Reference Number: L2.669.4.51.7 (aka: L26694517)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 39
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Roman Numerals and Feuille-shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: Longines
  • Caliber: L651
  • Display: Analog
  • Diameter: 28mm
  • Jewels: 37
  • Power Reserve: 42 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Small Seconds

About Longines

Longines logo

Augueste Agassiz founded Longines in 1832 in Saint-Imier, Switzerland. Now owned by the Swatch Group, the manufacture is best known for its aviator watches. Its Heritage Collection includes the Telemeter Chronograph, Heritage Retrograde, Column-Wheel Chronograph, and Heritage 1935. Longines is part of the Swatch Group group.

View all Longines watches.

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