The Basics

Diving watches “par excellence”, the models in the HydroConquest series are a homage to the men who have dedicated themselves to conquering the oceans and to enthusiasts of the open seas. They meet the strict requirements demanded by this discipline: they are water-resistant to 30 bar (300 metres), are fitted with a unidirectional turning bezel, screw-down case and screw-in crown, lateral protection for the crown and double security folding clasp with integrated diving extension-piece. These rigorous guarantees of uncompromising safety fit in perfectly with the harmony of this silent world. Performance and elegance, a unique Longines combination.

Brand: Longines
Family: HydroConquest
Reference: L3.665.4.76.6 (aka: L36654766)
Name: Hydroconquest Chronograph
Produced: 2013
Limited: No

Below is a detailed look at Longines’s model L3.665.4.76.6 from HydroConquest watch family, including the price, case details and movement features.

Longines HydroConquest L3.665.4.76.6

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The Details

Longines’s Hydroconquest Chronograph (L3.665.4.76.6 (aka: L36654766)) was originally released in 2013. 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 48mm in diameter and roughly mm thick. The round case is paired with a silver color dial with proprietary-shaped hands, and a mixed hour markers and minute track, covered by a sapphire glass. Longines’s HydroConquest model L3.665.4.76.6 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: 48mm
Height: mm
Lug Width: N/Amm
W/R: 300

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The HydroConquest L3.665.4.76.6 movement is a powered by caliber 7753 made by ETA. 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 42-hour power reserve.

Type: Automatic
Brand: ETA
Caliber: 7753
Base: ETA 7750
Display: Analog
Diameter: 30mm
Jewels: 27
Reserve: 42 hours
Frequency: 28800 bph
Time: Hours, Minutes, Small Seconds
Chronograph: Chronograph
Additionals:

The Price

How much does the Longines’s HydroConquest L3.665.4.76.6 cost? This watch was introduced in 2013 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: $1,920

For more information, visit Longines online.

Specifications:

  • Brand: Longines
  • Model: Hydroconquest Chronograph
  • Reference Number: L3.665.4.76.6 (aka: L36654766)
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 48
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Silver
  • Indexes: Mixed and Proprietary-shaped hands
  • Water Resistance: 300 meters

Movement:

  • Winding: Automatic
  • Brand: ETA
  • Caliber: 7753
  • Display: Analog
  • Diameter: 30mm
  • Jewels: 27
  • 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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