Brand New Authentic Longines Spirit Flyback Titanium Automatic Black Dial Nylon Strap Men's Luxury Watch Model L3.821.1.53.2. Brushed Titanium case with Black Nylon strap. Titanium Tang clasp. Bi-Directional Rotating. Ceramic bezel. Dial description: Luminous Yellow Gold Tone Hands and Arabic Numeral Hour Markers with Minute Markers Around the Outer Rim and 2 Sub-dials on a Black dial. Swiss Automatic. Chronometer. Flyback Chronograph movement. Chronograph sub-dials display: Small Seconds, 30 Minute. Powered by Longines Caliber L791 engine with 68 hours power reserve. Watch functions: Power Reserve, Hour, Minute, Second, Flyback Chronograph. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 42mm. Case thickness: 17mm. Solid case back. 100 Meters - 330 Feet water resistant. 5-year WatchMaxx warranty. Also known as model: L38211532.