This is an authentic IWC Stainless Steel Alligator 45mm Ingenieur Chronograph Automatic Watch Grey IW378507. The watch is crafted of stainless steel and features a grey dial with luminous hour markers and hands, chronograph complication, black alligator strap, sapphire crystal, and an automatic movement. Follow this item for alerts. IWC is a registered trademark of IWC. FASHIONPHILE is not affiliated with IWC.