This model Portugieser is the perfect symbol of timeless elegance and one of the most Iconic watches from IWC. Silver Dial,Brushed and Polished Stainless Steel Case,-Scratch Resistant Sapphire Crystal,Black Leather Strap with Crocodile Pattern,Sapphire Crystal Exhibition Caseback,Deployment Buckle.7 Day Power Reserve with a Power Reserve Indicator Self-winding Automatic Caliber 51011 Movement (Vibrations Per Hour: 21,600,Jewels: 31)