IWC Pilot Spitfire Grey Dial 18kt Rose Gold Brown Leather Mens Watch IW387803. 18kt rose gold case with a brown alligator leather strap. Fixed 18kt rose gold bezel. Slate grey dial with luminous hands and Arabic numeral hour markers. Minute markers around the outer rim. Chronograph - two sub-dials displaying: 60 second and 60 minute. Automatic movement with 68 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case diameter: 43 mm. Case thickness: 15.5 mm. Round case shape. Tang clasp. Water resistant at 60 meters / 200 feet. Functions: chronograph, date, hour, minute, second. Additional Info: features an inner soft iron case for additional protection against magnetic fields.