Brand New Authentic IWC Portofino Automatic 18kt Rose Gold Silver Dial Leather Strap Men's Watch Model IW356504. 18kt Rose Gold case with Brown Crocodile Leather strap. Silver 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: IW3565-04, 3565-04, 356504, IW3565.04.