This is an authentic IWC Stainless Steel Alligator 42mm Portugieser 150 Years Automatic Watch Blue IW500710. The timepiece is crafted of stainless steel and features a navy dial, silver Arabic hour markers, sapphire crystal, a black alligator strap, and an automatic movement. Follow this item for alerts. IWC is a registered trademark of IWC. FASHIONPHILE is not affiliated with IWC.