Longines HydroConquest Hydroconquest Chronograph

Reference L3.673.4.76.6

About this watch

The Longines Hydroconquest Chronograph (L3.673.4.76.6) is a luxurious dive watch that embodies the spirit of exploration and adventure. Its sleek stainless steel body, combined with a rotating bezel, gives it a rugged yet sophisticated look perfect for both underwater escapades and formal gatherings. Powered by the ETA caliber 7750 movement, this automatic timepiece features a chronograph function, date display, and 25 jewels for smooth movement. The watch boasts an impressive water resistance of 300 meters and a durable stainless steel bracelet that feels secure on the wrist. With its remarkable features and timeless design, it's not just a watch; it's a statement of luxury and sophistication.

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Key Features

Stainless steel body with rotating bezel
ETA caliber 7750 automatic movement
Chronograph function for precise time tracking
Date display and day indication
25 jewels for smooth movement
300-meter water resistance
Durable stainless steel bracelet

Specifications

Brand

Longines

Family

HydroConquest

Model

Hydroconquest Chronograph

Reference

L3.673.4.76.6

Movement

7750

Movement Features

Hours, Minutes, Small Seconds
Date, Day
Chronograph

Case

Stainless Steel 41mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

300

Current Listings

Longines Hydroconquest 43mm - $950

Longines - Hydroconquest 43mm · $950

This Longines HydroConquest 43mm is in excellent working order and comes with a WatchMaxx full kit.

Condition: Great condition
Depth rating: 200m

Posted at

Aug 21, 2025, 12:02 AM

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Longines HydroConquest Ref. L3.780.3 – Two-Tone Steel & Rose Gold PVD – 39mm Automatic Diver – $999 Shipped

Longines - L3.780.3 · $999

a Longines HydroConquest Ref. L3.780.3, a Two-Tone Steel & Rose Gold PVD automatic diver watch with a 39mm case size.

Case Material: steel and rose gold PVD
Water Resistance: 39mm diameter

Posted at

Aug 18, 2025, 9:52 PM

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Longines Hydroconquest Automatic 41MM - Green Ceramic Bezel

Longines - L3.781.4.05.2 · $1,240

This Longines HydroConquest features a green ceramic bezel, automatic movement with date display, and a power reserve of up to 72 hours.

Condition: Like new/never worn
Case size: 41mm diameter
Water resistance: 30 bar
Crystal material: scratch-resistant sapphire crystal

Posted at

Aug 18, 2025, 7:39 PM

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For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial.

Posted at

Aug 16, 2025, 7:17 AM

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Longines Hydroconquest Quartz 39mm - Very good condition - $500 shipped in US

Posted at

Aug 14, 2025, 7:47 PM

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Longines Hydroconquest GMT Black 41mm - Full set with extras $1850

Longines - Hydroconquest GMT Black 41mm · $1,850

41mm Longines Hydroconquest GMT with full set of extras, including OEM rubber strap and two additional straps.

Condition: Excellent
Case size: 41mm
Included extras: Longines black rubber strap, Longines style leather strap, orange cut-to-size strap

Posted at

Aug 11, 2025, 4:30 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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