The first Astron revolution: Quartz
The history of Seiko is the story of innovation. Thanks to a continuous stream of industry-leading innovations over the decades, Seiko established and has maintained, its position as a world leader in the technology of time.
On December 25, 1969, Seiko marketed the world's first quartz watch, the Seiko Quartz Astron, and subsequently opened the patents to the world.
-Someday all watches will be made this way.
With the delivery of this powerful statement, as a result, Seiko set the global standard, and today, most quartz watches use the system Seiko developed.