IWC Ingenieur Chronograph Nico Rosberg Automatic Mens Watch IW379603. Titanium case with a black rubber (calfskin inlay) strap. Fixed bezel. Silver-plated dial with luminous hands and index hour markers. Minute markers around the outer rim. Chronograph - sub-dials displaying: two - 60 second and 60 minute. Automatic movement. Caliber 89361 engine. Scratch resistant sapphire crystal. Solid case back. Case diameter: 45 mm. Case thickness: 15.5 mm. Round case shape. Water resistant at 120 meters / 400 feet. Functions: chronograph, date, hour, minute, second. Additional Info: limited edition of 200 watches.