Longines HydroConquest Automatic Black Dial 41 mm [L3.781.4.05.6]

Engineered for performance and refined in execution, the Longines HydroConquest Automatic 41 mm [L3.781.4.05.6]exemplifies the Swiss dive-watch tradition with versatile everyday appeal. Its black dial features bold applied Arabic numerals and indices treated with luminous material for enhanced legibility in low-light conditions, paired with polished hands and a date display at three o’clock that adds practical functionality without disrupting the sporty design.

The ceramic unidirectional rotating bezel provides precise dive-timing capability, while the screw-in crown and case back contribute to professional-grade water resistance to 30 bar (300 metres) — a hallmark of the HydroConquest collection. At its core is a Swiss self-winding mechanical movement (Calibre L888) beating at 25,200 vibrations per hour and offering a substantial power reserve of up to 72 hours, ensuring reliable performance both on and off the wrist.

The robust stainless steel case and bracelet combine enduring durability with refined finishing, and a scratch-resistant sapphire crystal with anti-reflective coating protects the dial for lasting clarity. With its blend of technical capability and everyday wearability, the Longines HydroConquest [L3.781.4.05.6] stands as a versatile choice for the active enthusiast.

Technical Specifications

• Case Diameter: 41 mm

• Case Material: Stainless steel with ceramic unidirectional bezel

• Dial Color: Black with luminous Arabic numerals and indices

• Crystal: Scratch-resistant sapphire with anti-reflective coating

• Movement: Self-winding automatic mechanical

• Calibre: L888

• Power Reserve: Up to 72 hours

• Functions: Hours, minutes, seconds, date

• Bracelet: Stainless steel with double safety folding clasp and diving extension

• Water Resistance: 30 bar / 300 metres

• Warranty: 5-Year Longines International Warranty

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