Stainless steel case with a black leather strap. Fixed stainless steel bezel. Black skeleton dial with black hands and Roman numeral hour markers. Dial Type: Analog. Manual wind movement. Scratch resistant mineral crystal with sapphire coating. Pull / push crown. Skeleton case back. Case diameter: 45 mm. Case thickness: 11 mm. Round case shape. Band width: 24 mm. Band length: 9 inches. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: hour, minute, second. Dress watch style. Akribos Manual Wind Skeleton Dial Black Leather Men's Watch AK540SS.