The Basics

The L3.651 family of Longines Hydronconquest Chronograph feature a stainless steel bezel with four prominent claws. This watch is powered by caliber L667. Reference L3.651.4.56.6 has a black dial and a stainless steel bracelet.

Brand: Longines
Family: HydroConquest
Reference: L3.651.4.56.6 (aka: L36514566)
Name: Hydroconquest Chronograph Tachymeter Black
Produced: N/A
Limited: No

Below is a detailed look at Longines’s model L3.651.4.56.6 from HydroConquest watch family, including the price, case details and movement features.

Longines HydroConquest L3.651.4.56.6

The Details

Longines’s Hydroconquest Chronograph Tachymeter Black (L3.651.4.56.6 (aka: L36514566)) 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 41mm in diameter and roughly mm thick, with 21mm lug width. 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 HydroConquest model L3.651.4.56.6 is water resistant up to 300 meters (984 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Solid
Shape: Round
Diameter: 41mm
Height: mm
Lug Width: 21mm
W/R: 300

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The HydroConquest L3.651.4.56.6 movement is a powered by caliber L667 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: L667
Base: ETA 7750
Display: Analog
Diameter: 30mm
Jewels: 25
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds
Chronograph: Chronograph
Additionals:

The Price

How much does the Longines’s HydroConquest L3.651.4.56.6 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.

CURRENT PRICE: $1,540

For more information, visit Longines online.

Specifications:

  • Brand: Longines
  • Model: Hydroconquest Chronograph Tachymeter Black
  • Reference Number: L3.651.4.56.6 (aka: L36514566)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 41
  • Thickness:
  • Lug Width: 21
  • Dial Color: Black
  • Indexes: Stick / Dot and Stick-shaped hands
  • Water Resistance: 300 meters

Movement:

  • Winding: Automatic
  • Brand: Longines
  • Caliber: L667
  • Display: Analog
  • Diameter: 30mm
  • Jewels: 25
  • Power Reserve: 42 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.

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