Brand New Authentic Longines Spirit Flyback Chronograph Black Dial Stainless Steel Men's Luxury Watch Model L3.721.4.53.6. Brushed and Polished Stainless Steel case with Brushed and Polished Stainless Steel Bracelet watch band. Brushed and Polished Stainless Steel Folding 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, 2 Sub-dials on a Black dial. Swiss Manual Chronograph movement. Chronograph sub-dials display: 30 Minute, 60 Second. Powered by Caliber L792 engine with 68 hours power reserve. Watch functions: Hour, Minute, Second, Chronograph, Flyback Chronograph, Power Reserve. Push-Pull crown. Scratch Resistant Sapphire crystal. Rectangle case shape. Case size: 39.50mm. Case thickness: 13.40mm. See-Through Case Back. 100 Meters - 330 Feet water resistant. 5-year WatchMaxx warranty. Also known as model: L37214536.