The Basics

The Conquest ref.L1.611.8.78.4 is inspired by the original Conquest model, with the date at 12 being one of the signature elements of this classic design. With this model the pink gold case measures 35mm across. True to its origins, it is fitted with a plexi glass.

Brand: Longines
Family: Heritage
Reference: L1.611.8.78.4 (aka: L16118784)
Name: Conquest Heritage Pink Gold
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L1.611.8.78.4 from Heritage watch family, including the price, case details and movement features.

Longines Heritage L1.611.8.78.4

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The Details

Longines’s Conquest Heritage Pink Gold (L1.611.8.78.4 (aka: L16118784)) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 38-hour power reserve when fully wound.

The Case

The pink gold case measures 35mm in diameter and roughly mm thick. The round case is paired with a silver color dial with dauphine-shaped hands, and a stick / dot hour markers and minute track, covered by a plexi glass. Longines’s Heritage model L1.611.8.78.4 is water resistant up to 30 meters (98 ft). A solid caseback is over the back of the watch case.

Material: Pink gold
Glass: Plexi
Back: Solid
Shape: Round
Diameter: 35mm
Height: mm
Lug Width: N/Amm
W/R: 30

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Heritage L1.611.8.78.4 movement is a powered by caliber L633 made by Longines. The 25-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 38-hour power reserve.

Type: Automatic
Brand: Longines
Caliber: L633
Base: ETA 2824-2
Display: Analog
Diameter: 25.6mm
Jewels: 25
Reserve: 38 hours
Frequency: 28800 bph
Time: Hours, Minutes, Seconds

The Price

How much does the Longines’s Heritage L1.611.8.78.4 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 Heritage Pink Gold
  • Reference Number: L1.611.8.78.4 (aka: L16118784)
  • Limited: No

Case & Dial:

  • Material: Pink gold
  • Glass: Plexi
  • Back: Solid
  • Diameter: 35
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Silver
  • Indexes: Stick / Dot and Dauphine-shaped hands
  • Water Resistance: 30 meters


  • Winding: Automatic
  • Brand: Longines
  • Caliber: L633
  • Display: Analog
  • Diameter: 25.6mm
  • Jewels: 25
  • Power Reserve: 38 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Seconds

About Longines

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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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