Brand New Authentic IWC Ingenieur Automatic Silver Dial Black Leather Strap Men's Watch Model IW357001. Stainless Steel case with Black Alligator Leather strap. Tang clasp. Dial description: Silver hands and Index/Circe hour markers with minute markers around the outer rim on a Silver dial. Automatic movement. Powered by IWC Calibre 35111 engine with 42 hours power reserve. Watch functions: Date, Hour, Minute, Second. Scratch Resistant Sapphire crystal. Round case shape. Case size: 40mm. Case thickness: 10.3mm. 120 Meters - 400 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: IW3570-01, 3570-01, 357001, IW3570.01.