The Basics

Longines Conquest Classic is the quintessential expression of the brand’s sporting elegance. Special attention went into the aesthetics of the bezel, the cabochon crown and the links. The Longines Conquest Classic includes technical features that meet the requirements of the most demanding sportsmen and women. Both sober and sophisticated, these models are guaranteed to catch the eye at the most fashionable soirées as well as in the stands of prestigious horse races. REf. L2.785.4.56.6 has a stainless steel case and matching bracelet. Its dial is black.

Brand: Longines
Family: Conquest Classic
Reference: L2.785.4.56.6 (aka: L27854566)
Name: Conquest Classic Automatic 40 Black
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.785.4.56.6 from Conquest Classic watch family, including the price, case details and movement features.

Longines Conquest Classic L2.785.4.56.6

The Details

Longines’s Conquest Classic Automatic 40 Black (L2.785.4.56.6 (aka: L27854566)) 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 stick-shaped hands, and a stick / dot hour markers and minute track, covered by a sapphire glass. Longines’s Conquest Classic model L2.785.4.56.6 is water resistant up to 50 meters (164 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: 50

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Conquest Classic L2.785.4.56.6 movement is a powered by caliber L619 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: L619
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 Conquest Classic L2.785.4.56.6 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: Conquest Classic Automatic 40 Black
  • Reference Number: L2.785.4.56.6 (aka: L27854566)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Display
  • Diameter: 40
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Stick / Dot and Stick-shaped hands
  • Water Resistance: 50 meters


  • Winding: Automatic
  • Brand: Longines
  • Caliber: L619
  • 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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