Longines HydroConquest 39mm Automatic Black Dial Milanese Mesh Steel Bracelet [L3.779.4.70.6]

The Longines HydroConquest 39mm Automatic [L3.779.4.70.6] presents a refined interpretation of the modern dive watch, combining professional-grade performance with elevated design detail. Its black lacquered polished dial delivers crisp legibility, enhanced by luminous markers and hands for visibility in all conditions.

Crafted in a 39 mm stainless steel case, the watch features a unidirectional ceramic bezel, screw-in crown, and 300 m (30 bar) water resistance, ensuring reliability both underwater and in everyday wear. A scratch-resistant sapphire crystal with anti-reflective coating on both sides maintains clarity and durability.

At its core is the Longines Calibre L888.5 automatic movement, offering a robust 72-hour power reserve and enhanced precision through a silicon balance spring, improving resistance to magnetic fields and long-term stability.

What sets this reference apart is its distinctive Milanese stainless steel bracelet, also known as a mesh bracelet, delivering a fluid, refined aesthetic compared to traditional link bracelets. This construction provides exceptional comfort while elevating the watch into a more versatile dress-sport category—equally suited for business attire or weekend wear.

Technical Specifications

• Brand: Longines
• Collection: HydroConquest
• Reference Number: L3.779.4.70.6
• Case Diameter: 39 mm
• Case Material: Stainless steel with ceramic bezel
• Dial Color: Black lacquered polished
• Movement: Automatic (Longines Calibre L888.5)
• Power Reserve: ~72 hours
• Balance Spring: Silicon (anti-magnetic)
• Functions: Hours, minutes, seconds, date
• Bezel: Unidirectional rotating ceramic bezel
• Crystal: Scratch-resistant sapphire with anti-reflective coating on both sides
• Water Resistance: 300 m / 30 bar
• Crown: Screw-in crown
• Caseback: Screw-down
• Bracelet: Stainless steel Milanese (mesh) bracelet
• Clasp: Folding clasp with security mechanism

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