It has 46mm stainless steel case with a brushed/satin finish. Black alligator leather strap with stainless steel tang buckle. Fixed stainless steel bezel. Polished steel crown & chronograph buttons. Scratch resistant sapphire crystal. Stainless Steel Black solid, engraved with hallmarkings and serial number. Matte black main dial. Mechanical Automatic Self-Winding movement. Automatic Day and Date at 3 o’clock. Double-chronograph functions. IWC Caliber 79420, beats at 28,800 vph, has approximate 44-hour power reserve. Water resistant to 60m/200ft.