Brand New Authentic Longines HydroConquest Automatic 41mm Black Dial Ceramic Bezel Men's Dress Watch Model L3.781.4.56.6. Ceramic & Stainless Steel Brushed case with Silver Stainless Steel Brushed watch band. Brushed Stainless Steel Deployment with Foldover clasp. Uni-Directional Rotating bezel. Dial description: Sunray Black Dial with Super-LumiNova Markers dial. Automatic movement. Powered by L619/888 engine with 64 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Solid case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: L37814566.