We go hands-on with Grand Seiko's Spring Drive U.F.A. Ushio 300 Diver, the most accurate automatic watch ever made.
From cult dive watches to everyday icons, Seiko's watches are even better value on sale ...
Grand Seiko has done something remarkable with the Spring Drive U.F.A. Ushio 300 Diver. Unveiled at Watches and Wonders ...