As Casio’s 50th-anniversary celebrations continue, the brand has unveiled the CRW-001-1JR Ring Watch. Boasting a silhouette ...
The Casio CRW-001-1JR is a smart ring that not only looks like one of Casio's digital timepieces. It works like one, too.
The watches' calculator function can add, subtract, multiply, and divide up to eight digits. As for watch functions, you get ...