KKoichi WatanabeActing3Movies0TV Shows3CreditsKnown ForK-1 WORLD GP 2017: Super Bantamweight Championship TournamentK-1 WORLD GP 2016: 60kg World TournamentK-1 WORLD GP 2017: Heavyweight Championship TournamentKoichi WatanabeActingK-1 WORLD GP 2017: Super Bantamweight Championship TournamentK-1 WORLD GP 2016: 60kg World TournamentK-1 WORLD GP 2017: Heavyweight Championship Tournament
