The Astron GPS Solar Dual-Time. Now available worldwide.
Seiko Astron. The world's first GPS Solar watch. Using just the power of light, Astron connects to the GPS network and tells time with atomic clock precision, adjusting at the touch of a button to your time zone. Now, with the new Dual-Time display, Astron is simply the world’s finest GPS solar watch. Explore more. http://www.seiko-astron.com/