Seiko has added to its Astron lineup with a new solar-powered GPS watch that's been optimized for everyday wear.

Seiko has unveiled the limited-edition Prospex “Speedometer” Solar Speedtimer Chronograph, a brand-new iteration of the Prospex model, as an exclusive release for the European market. The ...

Seiko's New Prospex Solar Divers Feature 10-Month Power Reserves: Arriving in three classic colorways.