Longines HydroConquest Watch
  • Longines HydroConquest Watch, image 1
  • Longines HydroConquest Watch, image 2
  • Longines HydroConquest Watch, image 3

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Item Details

The Longines HydroConquest 41mm brings a clear purpose to the wrist. This watch doesn’t pretend. It was built to handle real-world pressure, measured in depth, seconds, and expectations.

At 41mm across, the stainless steel case hits a sweet spot. Large enough to read with a glance, compact enough to stay comfortable all day. The brushed steel softens the glare. The polished edges catch just a bit of light. A scratch-resistant sapphire crystal keeps the dial clean, even after months of wear. The bezel rotates in one direction only, and that’s by design. Divers rely on that for timing. One bump in the wrong direction could mean staying down too long. No one wants that. The bezel clicks firmly so you feel every step.

The black dial keeps it simple. Just silver-tone hands, bold numerals, and stick markers that glow in the dark. You won’t find sunray finishes or layered textures here. The whole thing is focused. The date window at 3 o’clock stays out of the way but still earns its spot. One detail that doesn’t show up in photos is how legible this watch stays under water or out in the sun. Everything on the dial was placed with that in mind.

Inside, there’s a Longines Caliber 619/888. Automatic movement. No need to plug anything in or wind it every day. The rotor winds as you wear it. That keeps things moving and accurate. The power reserve hits around 64 hours, so even if it spends the weekend on the nightstand, it’s still working Monday morning.

On the wrist, the HydroConquest feels strong. You notice the weight right away, but it’s balanced. The steel bracelet has a clean taper, and the links follow your wrist without fighting it. That makes a big difference in how it wears. The deployment clasp uses a push-button release that clicks shut with zero drama. Just a secure fit and clean lines.

It’s rated to 300 meters. That covers more than most people need. It’s enough for real diving, weekend swimming, and daily wear with no caution required. This one’s made to live through whatever your day throws at you. Work, travel, water, impact. 

The HydroConquest earns attention with solid choices, reliable specs, and quiet confidence. That might be exactly what you’re looking for.

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Item

  • Brand

    Longines

  • Series

    HydroConquest

  • Sub Series

    Automatic

  • Gender

    Men's

  • Code

    L3.742.4.56.6

  • MPN

    L3.742.4.56.6

  • UPC

    7612356198534

  • Brand Origin

    Swiss Made

Case

  • Case Material

    Stainless Steel

  • Case Finish

    Brushed and Polished

  • Case Shape

    Round

  • Case Diameter

    41mm

  • Case Thickness

    11.9mm

  • Case Back

    Solid

  • Bezel

    Uni-Directional Rotating

  • Crystal

    Scratch Resistant Sapphire

  • Crown

    Screw down

Dial

  • Dial Color

    Black

  • Dial Description

    Luminous Silver Tone Hands with Arabic Numeral & Stick Hour Markers with Minute Markers Around the Outer Rim and the Date at 3 o'clock on a Black Dial

  • Dial Markers

    Arabic & Stick

  • Hand Color

    Silver

  • Calendar

    Date at 3 o'clock

  • Functions

    Date and Hour, Minute, Second

Movement

  • Movement

    Automatic Self Winding

  • Engine

    Longines Caliber 619/888

  • Power Reserve

    Approx. 72 hours

  • Movement Description

    Swiss Automatic

Band

  • Band Material

    Stainless Steel

  • Band Finish

    Brushed and Polished

  • Band Color

    Silver

  • Band Description

    Brushed and Polished Stainless Steel Bracelet

  • Clasp Type

    Folding

Additional Information

  • Water Resistant

    300 Meters - 990 Feet

  • Style

    Dress

  • Warranty

    2 Year WatchMaxx Warranty

  • Also Known As

    L37424566, L3.742.4.56.6

Brand New Authentic Longines HydroConquest Automatic Black Dial Stainless Steel Men's Dress Watch Model L3.742.4.56.6. Brushed and Polished Stainless Steel case with Brushed and Polished Stainless Steel Bracelet watch band. Brushed and Polished Stainless Steel Folding clasp. Uni-Directional Rotating bezel. Dial description: Luminous Silver Tone Hands with Arabic Numeral & Stick Hour Markers with Minute Markers Around the Outer Rim and the Date at 3 o'clock on a Black dial. Swiss Automatic movement. Powered by Longines Caliber 619/888 engine with 72 hours power reserve. Watch functions: Date, Hour, Minute, Second. Screw down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Case thickness: 11.90mm. Engraved Case Back. 300 Meters - 990 Feet water resistant. 2-year WatchMaxx warranty. The Longines HydroConquest 41mm brings a clear purpose to the wrist. This watch doesn’t pretend. It was built to handle real-world pressure, measured in depth, seconds, and expectations.At 41mm across, the stainless steel case hits a sweet spot. Large enough to read with a glance, compact enough to stay comfortable all day. Also known as model: L37424566.

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  • 30 Day Returns
Shipping methodCostEstimated arrival
Continental USA StandardFreeFrom Tuesday 6/2/2026 to Wednesday 6/24/2026
Continental USA Expedited$25From Tuesday 6/2/2026 to Thursday 6/18/2026
Continental USA Next Day$39From Tuesday 6/2/2026 to Tuesday 6/16/2026
Continental USA Next Day AM Delivery$75From Tuesday 6/2/2026 to Tuesday 6/16/2026

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