Bandai DX Kamen Rider Zi-O Over Quartzer Ridewatch Quartzer Set 1
You can now own your own ridewatch, worn by the mysterious group Quartzer. Included in this set are the RX Ridewatch, Roborider Ridewatch, and Biorider Ridewatch worn by Sougo in the movie Kamen Rider Zi-O the Movie: Over Quartzer.
Each ridewatch design can be changed by turning the cover. When you press the button on the top surface, the LED emits light and the unique sound of each ride watch activation.