Pro basketball player Rui Hachimura's fourth signature model. Casio has been collaborating with Rui Hachimura on signature watches since 2019. This fourth joint effort, based on a watch from the 2100 line, comes with Smartphone Link and is finished in black, gold, and red, signifying the strength, shine, and passion of Hachimura, the global basketball sensation. This special edition also features his signature ""Black Samurai"" logo.