Longines HydroConquest Hydroconquest Chronograph Tachymeter Silver

Reference L3.651.4.76.6

About this watch

The Longines Hydroconquest Chronograph Tachymeter Silver is a remarkable timepiece that seamlessly blends style, functionality, and durability. This stunning piece from Longines boasts a captivating design and powerful features that make it perfect for both underwater adventures and formal occasions. The watch's impressive water resistance of up to 300 meters and high-quality sapphire glass ensure its durability and scratch resistance. The reliable automatic movement, based on the ETA 7750, provides accuracy and robustness with a frequency of 28,800 vibrations per hour and a 42-hour power reserve. The chronograph feature is a standout aspect, allowing for precise timing of dives or any activity where timing is crucial. With its sleek aesthetic and sporty yet sophisticated appeal, this watch is an investment in quality and craftsmanship that stands the test of time.

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Key Features

41mm Stainless Steel Case
Sapphire Glass with Scratch Resistance
300m Water Resistance
Longines Caliber L667 Automatic Movement
Chronograph Functionality
Rotating Dive Bezel (0-60)
Stainless Steel Bracelet

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph Tachymeter Silver

Reference

L3.651.4.76.6

Movement

l667

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Stainless Steel 41mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

300

Current Listings

USA, Longines Hydroconquest, Ref L3.781.3.96.9

Longines - L3.781.3.96.9 · $3,000

Material: Stainless steel

Posted at

Oct 24, 2025, 9:01 PM

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Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines - L3.780.4.56.6 · $925

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024 and comes with a full kit.

Condition: Great condition with minor scratches on the bracelet and buckle
Size: 39mm diameter
Warranty Valid Until: October 2029

Posted at

Oct 23, 2025, 12:49 AM

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Reduced! Longines Hydroconquest 41mm ceramic, LNIB literally spotless

Longines - Hydroconquest 41mm ceramic · $1,050

This is a 41mm Longines Hydroconquest with a blue dial and blue ceramic bezel. It has not been worn extensively and comes with the original box and papers.

Condition: Like new in box
Diameter: 41mm
Bezel material: blue ceramic

Posted at

Oct 18, 2025, 8:33 AM

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Longines HydroConquest – Ceramic Bezel 39mm, 2029 Warranty

Longines - L3.780.4.56.6 · $950

A black dial Longines Hydroconquest Ceramic Bezel in 39mm size, bought new in October 2024.

Condition: Great condition on the case, crystal, and dial. Minor scratches from daily wear are visible on the bracelet and buckle.
Warranty Valid Until: October 2029
Size: 39mm

Posted at

Oct 16, 2025, 5:22 PM

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Longines Hydroconquest 41

Longines - L3.781.4.05.6 · $1,380

The Longines Hydroconquest 41 features a black dial and green ceramic bezel, comes with full kit, box, papers, warranty, and original purchase receipt.

Condition: essentially unworn
Shipping: CONUS only

Posted at

Oct 15, 2025, 8:12 PM

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BNIB Longines HydroConquest

Longines - HydroConquest

The Longines HydroConquest is a stylish and functional dive watch designed for everyday wear. It features a stainless steel case with a sleek design and a water-resistant construction.

Condition: Brand new in box (BNIB)

Posted at

Oct 15, 2025, 7:10 PM

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Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095

This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.

Condition: Excellent Condition
Case Diameter: 41mm
Thickness: 11.9mm
Bezel Type: Unidirectional rotating Green Ceramic

Posted at

Feb 5, 2025, 2:47 AM

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