One of his latest roles was as Taiga Saejima in the tokusatsu series GARO.
Watanabe was born on December 9, 1955, in Mito, Ibaraki Prefecture.
Watanabe began his career in entertainment by appearing in a Coca-Cola television commercial in 1980.
Watanabe was found dead at his private gym in the basement of his home on May 3, 2022,[3] and his death was announced by his management agency on May 5.
[3][4] In a statement released through her agency, Hara said that during the self-isolation period forced by COVID-19, Watanabe began to express anxiety and was having trouble sleeping.