IWC Portuguese Perpetual 7 Day IW5021-13, part of a limited edition of 25 pieces commemorating the 25th anniversary of Cellini, features a 44mm stainless steel case with a polished bezel and mineral crystal. The black dial possesses applied Arabic numeral hour indices, moonphase at 12, date/power reserve subregister at 3, month at 6, year at 7:30, day/constant seconds at 9, and leaf-contoured center hands. Powering this limited edition Portuguese Perpetual, and visible through the case back, is a self-winding IWC 50610 caliber that boasts a 7-day (168-hour) power reserve. Watch is presented on a black alligator strap with tang buckle.

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