IWC Portugieser Annual Calendar IW503502
IWC Portugieser Annual Calendar, model reference number IW503502. The dial is a elegant midnight blue, with silver arabic numerals, small seconds, 7-day power reserve indicator, month, date, day display. This watch's stainless steel case measures 44.2mm which comes on a black alligator strap with an ardillion buckle. The elaborate detailed movement, in- house IWC calibre 52850 is visible through the synthetic sapphire crystal case back.