You don't get any fitness-tracking features ... the strap isn't adjustable. The ring/watch has been designed to pay homage to the classic Casio GMW-B5000 smartwatch, and it's made from stainless ...
Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Last year, Casio released a collection of rings, each designed to look like one of its ...