The Portofino Hand-Wound Eight Days lies in the fact that its owner can choose a fixed weekday for winding it. Due to the IWC-manufactured 59210 caliber movement, winding it once will supply the timepiece with all the energy it needs to run for a whole week. In addition to the elaborate mechanics, it is also the timelessly elegant dial design that adds to the popularity of this classic piece. The IWC IW510116 has a manual movement with 8 days (192 Hours) of power reserve, Blue dial colour and Steel bracelet.