The Basics

The Swiss watch manufacturer Longines, founded in 1832 in St. Imier, launched this stunning chronograph watch for it’s 180th Anniversary. At Ace Jewelers we love the elegant timepieces Longines designs and manufacturers, but this is a Longines watch that took our breath away. Not simply by it’s timeless & elegant design, but even more by it’s stunning mono-pusher chronograph movement: developed with ETA exclusively for Longines with a column-wheel configuration! Reference: L27754233 / L2.775.4.23.3

Brand: Longines
Family: Heritage
Reference: L2.775.4.23.3 (aka: L27754233)
Name: Mono Pusher Chronograph 180th Anniversary Watch
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L2.775.4.23.3 from Heritage watch family, including the price, case details and movement features.

Longines Heritage L2.775.4.23.3

The Details

Longines’s Mono Pusher Chronograph 180th Anniversary Watch (L2.775.4.23.3 (aka: L27754233)) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 54-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 white color dial with poire-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. Longines’s Heritage model L2.775.4.23.3 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 Heritage L2.775.4.23.3 movement is a powered by caliber L788 made by Longines. The 27-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 54-hour power reserve.

Type: Automatic
Brand: Longines
Caliber: L788
Base: ETA A08.L11
Display: Analog
Diameter: 30mm
Jewels: 27
Reserve: 54 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds
Chronograph: Chronograph, Column wheel, Monopoussoir

The Price

How much does the Longines’s Heritage L2.775.4.23.3 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: Mono Pusher Chronograph 180th Anniversary Watch
  • Reference Number: L2.775.4.23.3 (aka: L27754233)
  • Limited: No

Case & Dial:

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


  • Winding: Automatic
  • Brand: Longines
  • Caliber: L788
  • Display: Analog
  • Diameter: 30mm
  • Jewels: 27
  • Power Reserve: 54 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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