Platinum IWC Portuguese Automatic 7 day IW5001-04. Limited edition of 500 pieces. Pellaton automatic movement. 42mm case which is water resistant to 30 meters. IWC caliber 51011, Breguet spring, rotor with 18K yellow gold weight. Silver dial with applied Arabic hour markers. Functions: time in hours, minutes and seconds. Sapphire glass and caseback. 42 jewels and 7 day power reserve. Black alligator strap with platinum folding clasp. Box and papers dated December 2004. Our reference A1853.