A tribute to a watchmaking revolution. The 50th anniversary of the Quartz Astron is celebrated in a limited edition GPS Solar watch. | Seiko Watch Corporation
Seiko Prospex Chronograph Watch 50th Anniversary Limited SBEC005 Panda MINT | eBay
Seiko 5 Sport 50th Anniversary perfect with a striped NATO | Seiko 5 sports, Seiko, Seiko 5 sports automatic