Brand New Authentic Longines HydroConquest Automatic Black Ceramic 41mm Men's Watch Model L3.781.4.56.9. Stainless Steel Case with Black Rubber Strap . Deployment with Push Button clasp. Uni-Directional Rotating bezel. Dial description - Black Dial with Luminous Arabic and Dot Hour Markers dial. Automatic Self Winding movement. Powered by L888 engine with 72 hours power reserve. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size - 41mm. Solid case back. 300 Meters - 990 Feet water resistant.?