The Seiko Prospex SPB313 ... And since they're divers, all three watches are topped with black uni-directional rotating bezels for tracking elapsed time underwater. There are three dial colors ...
Seiko has announced a new chronograph watch called the Prospex Speedtimer. Inspired by motorsport watches from the 1970s, it's available with dial colours of blue and black, and is priced at £2,320.