Patek Philippe

European Watch Clock and Jewellery Fair 1986 BF 206
Manuel-winding mechanical chronograph with perpetual date calendar. Each of the “secondary dials” has a dual function : on the bottom, date and moon phases; on the left, 24—hour counter and small seconds; on the right, 4-year cycle and 30-minute totalizer. The name of the day and the month appear in dial apertures. In 18K yellow gold. (PATEK PHILIPPE)