Stainless steel case with a black leather strap. Fixed stainless steel bezel. Silver dial with black hands and dot hour markers. Minute markers around the outer rim. Dial Type: Analog. Chronograph - three sub-dials displaying: 60 second, 60 minute and 12 hour. Quartz movement. Scratch resistant mineral crystal. Screw down crown. Solid case back. Case diameter: 48 mm. Case thickness: 13.8 mm. Round case shape. Band width: 23 mm. Tang clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, hour, minute, second. Includes additional black leather deployment clasp strap. Casual watch style. U-Boat IFO Nero Chronograph Silver Dial Black Leather Mens Watch 307.