This is an authentic IWC Stainless Steel Alligator 41mm Portofino Chronograph Automatic Watch Blue IW378303. The watch is crafted of stainless steel and features a blue dial with three sub-dials, a date display, 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.