IWC Schaffhausen on Instagram: "In 2015, the Year of the Portugieser, IWC’s newly developed annual calendar is another attractive complication. On the reverse side, the see-through sapphire-glass back provides an unimpeded view of the exquisite new IWC-manufactured 52850 calibre. Pictured here: #IWC Portugieser Annual Calendar (Ref. IW503504) from IWC’s Miami Design District boutique, located at 140 NE 39th Street, Miami, Florida."
3,430 likes, 33 comments - iwcwatches on June 13, 2015: "In 2015, the Year of the Portugieser, IWC’s newly developed annual calendar is another attractive complication. On the reverse side, the see-through sapphire-glass back provides an unimpeded view of the exquisite new IWC-manufactured 52850 calibre. Pictured here: #IWC Portugieser Annual Calendar (Ref. IW503504) from IWC’s Miami Design District boutique, located at 140 NE 39th Street, Miami, Florida.".