Brand New Authentic Longines HydroConquest Automatic Black Dial Steel Men's Watch Model L3.781.3.56.7. Yellow Gold & Stainless Steel case with Two-Tone Yellow Gold & Stainless Steel watch band. Uni-Directional Rotating bezel. Dial description: Gold tone Hands and Arabic Numeral/Dot Hour Markers with Minute Markers around the outer rim and the Date displayed at the 3 o'clock position on a Black dial. Automatic movement. Powered by Longines Caliber L888 engine with 72 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second. Screw In crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 41mm. Case thickness: 12mm. Solid case back. 300 Meters - 990 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: L37813567.