IWC Portofino Hand Wound Eight Days IW516101 Brand New, 100% Authentic Comes with IWC Box and Papers Brand IWC Model Portofino Hand Wound Reference IW516101 Case 45 mm, 18k White Gold. Dial Grey dial with date aperture at 12 o'clock, seconds sub-dial at 6 o'clock, power reserve indicator at 8 o'clock. Crystal Scratch Resistant Sapphire. Movement IWC Automatic, automatic 59230 caliber, which contains 30 jewels, has 8 Days power reserve. Bracelet Black alligator leather, with White gold tang Buckle Water Resistance 30 meters .