Brand New Authentic Hamilton American Classic Railroad Small Second Auto Black Dial Stainless Steel Men's Dress Watch Model H40515131. Polished Stainless Steel case with Polished Stainless Steel watch band. Brushed and Polished Stainless Steel Folding clasp. Smooth. Fixed bezel. Dial description: Polished Silver Tone Hands and Stick Hour Markers, 1 Sub-Dial and the Date at 3 o'clock on a Black dial. Swiss Automatic movement. Chronograph sub-dials display: Small Seconds. Calendar: Date at 3 o'clock. Powered by Caliber H-22 engine with 42 hours power reserve. Watch functions: Date, Hour, Minute, Power Reserve. Push-Pull crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 42mm. Case thickness: 13.20mm. See-through Caseback. 50 Meters - 165 Feet water resistant. 2-year WatchMaxx warranty. Also known as model: H40515131.