The new Spring Drive UFA movement sets a new industry standard for precision. Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Grand ...

They were also the world’s first solar GPS watches, which means they draw their energy from light and rarely require a ...

Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Grand Seiko has launched a new Spring Drive movement that’s accurate to within 20 ...