Longines HydroConquest Hydroconquest Chronograph Tachymeter Blue Rubber

Reference L3.651.4.96.2

About this watch

The Longines HydroConquest Chronograph Tachymeter Blue Rubber, model L3.651.4.96.2, is a stunning timepiece that combines elegance with sportiness and sophistication. This luxury watch boasts a round shape with a diameter of 41 mm, featuring a classic yet modern design with stick and dot indexes for easy reading. The vibrant blue dial paired with the stainless steel case creates a visually appealing contrast. At its heart is the Longines caliber L667 automatic movement, celebrated for its reliability and accuracy. With a frequency of 28,800 vibrations per hour and a power reserve of 42 hours, this watch keeps you on time for any occasion. The rotating bezel allows divers to track elapsed time, while the sapphire glass adds durability and scratch resistance. This versatile piece is designed to sit snugly on your wrist, perfect for both everyday wear and adventurous activities.

Buy Now on Jomashop

This is an affiliate link

Key Features

Stainless Steel Case
Longines Caliber L667 Movement (ETA/Valjoux 7750)
Sapphire Crystal Glass
300m Water Resistance
Chronograph Functionality
Blue Rubber Strap
42-Hour Power Reserve

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph Tachymeter Blue Rubber

Reference

L3.651.4.96.2

Movement

l667

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

Stainless Steel 41mm

Dial Color

Blue

Crystal

Longines - L3.784.4 · $1,850.002

This Longines HydroConquest All Ceramic features a ceramic case and bezel, black ZrO2 dial, and is water resistant to 300m.

Condition: MINT
Diameter: 43mm
Water resistance: 300m
Strap: Longines rubber strap with deployant clasp

Posted at

Jul 9, 2025, 4:01 PM

Active

View listing on WatchUseek

Longines HydroConquest Steel 44 Black Dial (Full-Set/Unpolished)

Longines - L3.841.4.56.6 · $1,000

This Longines HydroConquest Ref. L3.841.4.56.6 is a full steel diver’s watch with robust build quality and enduring style.

Condition: Full steel diver's watch in outstanding original condition with factory finish and minimal signs of wear
Case size: 44mm diameter
Bracelet length: fits wrists up to 8.5 inches (21cm)
Box and papers included: yes

Posted at

Jul 3, 2025, 5:32 PM

Active

View listing on r/WatchExchange

Longines Hydroconquest GMT

Longines - L3.790.4.06.2 · $1,650

This Longines Hydroconquest GMT is a full kit, minus the original NATO strap, and comes on an OEM Hydroconquest bracelet with 10 full and 1 half links.

Condition: Pre-owned with minor wear
Case Condition: clean
Crystal Condition: clean
Bracelet Condition: minor desk rash

Posted at

Jul 2, 2025, 3:33 PM

Active

View listing on r/WatchExchange

Longines Hydroconquest 39mm Ceramic

Posted at

Jun 29, 2025, 6:44 PM

Active

View listing on r/WatchExchange

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

Active

View listing on RolexForums