Longines HydroConquest Automatic 43 mm Black Ceramic Case Black Ceramic Dial Black Rubber Strap [L3.784.4.56.9]

The Longines HydroConquest Automatic 43 mm [L3.784.4.56.9] is engineered for performance-minded enthusiasts who value both bold design and rugged capability. This distinguished dive watch features a matt black ceramic dial with Swiss Super-LumiNova® treated hands and indexes for excellent visibility in all conditions, paired with a black ceramic case that combines durability with sophisticated style. The signature unidirectional rotating bezel and a date display at 3 o’clock reinforce its functionality for water sports and everyday wear.

Driving this HydroConquest is a self-winding automatic mechanical movement (Calibre L888) beating at approximately 25,200 vibrations per hour with a power reserve of up to 72 hours, delivering reliable and consistent performance suited to both diving and daily use. The black rubber strap is secured by a double safety folding clasp with push-piece opening mechanism, offering secure and comfortable wear. Designed to endure serious aquatic environments, the watch is water-resistant to 30 bar (300 metres) and protected by a scratch-resistant sapphire crystal with multiple anti-reflective coatings — hallmarks of a true sport dive timepiece.

Technical Specifications

• Brand: Longines
• Collection: HydroConquest
• Model: L3.784.4.56.9
• Movement: Automatic, self-winding mechanical (Calibre L888)
• Power Reserve: Up to 72 hours
• Case Material: Black ceramic
• Case Diameter: 43.00 mm
• Dial Colour: Matt black ceramic
• Hands: Polished with Swiss Super-LumiNova®
• Crystal: Scratch-resistant sapphire with anti-reflective coating
• Functions: Hours, minutes, seconds, date
• Bezel: Unidirectional rotating Ceramic
• Strap: Black rubber
• Clasp: Double safety folding clasp with push-piece opening mechanism
• Water Resistance: 30 bar / 300 metres
• Warranty: 5-Year Longines International Warranty

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