IWC Portuguese Hand-Wound White Dial Mens Watch IW545408. Stainless steel case with a black alligator leather strap. Fixed stainless steel bezel. White dial with gold-tone hands and Arabic numeral hour markers. Minute markers around the outer rim. Automatic movement with 46 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Case diameter: 44 mm. Round case shape. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second.