Vintage Meridiana wall calender by Giulio Confalonieri for Nava 1970

This is a black metal wall calendar in unique design The model is named “Meridiana”. This translates to Sundial, what was the inspiration for the design. In a semi-circle shape, the numbers 1 to 31 are listed for the days. In the outer circle the numbers 01 to 12 are placed, being the months. A red line can be pointed towards the day and a red circle shaped magnet can be placed next to the month.