Brand New Authentic Longines Heritage Chronograph Silver Dial Black Leather Strap Men's Watch Model L2.827.4.73.0. Stainless Steel case with Black Leather Calfskin strap. Tang clasp. Fixed bezel. Dial description - Blue Steel hands and Arabic Numeral hour markers with minute markers around the outer rim and 2 sub-dials on a Silver dial. Automatic - Chronograph movement. Powered by Longines Caliber L895 engine with 54 hours power reserve. Watch functions - Date, Power Reserve, Hour, Minute, Second. Scratch Resistant Sapphire crystal. Round case shape. Case size - 40mm. Solid case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model - L28274730.