Brand New Authentic IWC Portofino Automatic Black Dial Steel Mesh Band Men's Watch Model IW356506. Stainless Steel case with Polished Stainless Steel watch band. Black dial. Automatic Self Winding movement. Scratch Resistant Sapphire crystal. Case size: 40mm. Case thickness: 9.5mm. Solid case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: IW3565-06, 3565-06, 356506, IW3565.06.