How many movies have Imam Tantowi and Nanang Durachman collaborated on?

They have worked on 2 movies together! Their first movie together was Kejamnya Ibu Tiri Tak Sekejam Ibu Kota (1981) while their highest rated movie together was Saur Sepuh III: The Flower of Mount Lawu (1990). They have not worked together since Saur Sepuh III: The Flower of Mount Lawu (1990).