Brand New Authentic IWC Portugieser Automatic 7 Day Power Reserve Blue Dial Leather Strap Men's Watch Model IW500710. Stainless Steel case with Black Leather Alligator strap. Polished Stainless Steel Deployment with Push Button clasp. Automatic Self Winding movement. Chronograph sub-dials display: 60 Second, Power Reserve. Powered by IWC Calibre 52010 engine with 168 hours power reserve. Scratch Resistant Sapphire crystal. Round case shape. Case size: 42.3mm. Case thickness: 14.2mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty.