The Basics

This chronograph is a precise and reliable timepiece for daily use. It is fitted with the Longines L678 self-winding movement. When used as a watch, this chronograph shows the hours, minutes, seconds, day, month, date and phases of the Moon. In its chronograph function, this model can time events lasting up to 12 hours; the results are displayed to within 1/5th of a second.

Brand: Longines
Family: Master Collection
Reference: L2.673.4.51.5 (aka: L26734515)
Name: Master Collection Chronograph Calendar Black
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.673.4.51.5 from Master Collection watch family, including the price, case details and movement features.

Longines Master Collection L2.673.4.51.5

The Details

Longines’s Master Collection Chronograph Calendar Black (L2.673.4.51.5 (aka: L26734515)) 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 40mm 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 L2.673.4.51.5 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: 40mm
Height: mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Master Collection L2.673.4.51.5 movement is a powered by caliber L678 made by Longines. The 25-jewel automatic movement is 30mm 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: L678
Base: ETA 7751
Display: Analog
Diameter: 30mm
Jewels: 25
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds, Day / Night Indication
Chronograph: Chronograph
Additionals:

The Price

How much does the Longines’s Master Collection L2.673.4.51.5 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.

CURRENT PRICE: $2,320

For more information, visit Longines online.

Specifications:

  • Brand: Longines
  • Model: Master Collection Chronograph Calendar Black
  • Reference Number: L2.673.4.51.5 (aka: L26734515)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 40
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Roman Numerals and Feuille-shaped hands
  • Water Resistance: 30 meters

Movement:

  • Winding: Automatic
  • Brand: Longines
  • Caliber: L678
  • Display: Analog
  • Diameter: 30mm
  • Jewels: 25
  • Power Reserve: 42 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Small Seconds, Day / Night Indication

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.

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