The Basics

Presented with caliber L678, this watch from the Longines Master Collection features both a chronograph as well as a full calendar.

Brand: Longines
Family: Master Collection
Reference: L2.773.4.51.7 (aka: L27734517)
Name: Master Collection Chronograph Calendar
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.773.4.51.7 from Master Collection watch family, including the price, case details and movement features.

Longines Master Collection L2.773.4.51.7

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The Details

Longines’s Master Collection Chronograph Calendar (L2.773.4.51.7 (aka: L27734517)) 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 42mm 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 L2.773.4.51.7 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: 42mm
Height: mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Master Collection L2.773.4.51.7 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 L2.773.4.51.7 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.

CURRENT PRICE: $2,980

For more information, visit Longines online.

Specifications:

  • Brand: Longines
  • Model: Master Collection Chronograph Calendar
  • Reference Number: L2.773.4.51.7 (aka: L27734517)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 42
  • 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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