Brand New Authentic IWC Portofino Hand Wound Eight Days Men's Luxury Watch Model IW510104. Solid 18K Rose Gold case with Brown Alligator/Crocodile Leather strap. Tang clasp. Fixed bezel. Dial description: Rose Gold tone hands and Index hour markers with minute markers around the outer rim and 2 Sub-dials on a Grey dial. Manual Wind movement. Calendar: Date at 3 o'clock. Chronograph sub-dials display: Small Seconds, Power Reserve. Powered by IWC Calibre 59210 engine with 192 hours power reserve. Watch functions: Date, Power Reserve, Hour, Minute, Second. Screw Down crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 45mm. Case thickness: 12mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: IW5101-04, 5101-04, 510104, IW5101.04.