The Basics

The Longines Evidenza is an elegant tonneau-shaped watch whose design is inspired by watches of the 1920’s. In its present configuration, the stainless steel case measures 33.1 * 38.75 mm. Powered by caliber L599, this Evidenza displays hours, minutes, small seconds and the date in large, twin aperture, format.

Brand: Longines
Family: Evidenza
Reference: L2.670.4.73.6 (aka: L26704736)
Name: Evidenza 33.1 Big Date
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.670.4.73.6 from Evidenza watch family, including the price, case details and movement features.

Longines Evidenza L2.670.4.73.6

The Details

Longines’s Evidenza 33.1 Big Date (L2.670.4.73.6 (aka: L26704736)) 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 33.1mm in diameter and roughly mm thick, with 18mm lug width. The tonneau case is paired with a cream color dial with feuille-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. Longines’s Evidenza model L2.670.4.73.6 is water resistant up to 30 meters (98 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Solid
Shape: Tonneau
Diameter: 33.1mm
Height: mm
Lug Width: 18mm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Evidenza L2.670.4.73.6 movement is a powered by caliber L599 made by Longines. The 21-jewel automatic movement is 25.6mm 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: L599
Base: ETA 2892-A2
Display: Analog
Diameter: 25.6mm
Jewels: 21
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Seconds

The Price

How much does the Longines’s Evidenza L2.670.4.73.6 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: Evidenza 33.1 Big Date
  • Reference Number: L2.670.4.73.6 (aka: L26704736)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 33.1
  • Thickness:
  • Lug Width: 18
  • Dial Color: Cream
  • Indexes: Arabic Numerals and Feuille-shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: Longines
  • Caliber: L599
  • Display: Analog
  • Diameter: 25.6mm
  • Jewels: 21
  • Power Reserve: 42 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, 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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