How many movies have Katsunori Uchiba and Tetsu Watanabe acted in together?

They have worked on 1 movie together! Their first movie together was 天才を育てた女房～世界が認めた数学者と妻の愛～ (2018) and was their highest rated movie together. They have not worked together since 天才を育てた女房～世界が認めた数学者と妻の愛～ (2018).