A tribute to a watchmaking revolution. The 50th anniversary of the Seiko Quartz Astron is celebrated in a limited edition GPS Solar watch - Watch I Love,Certified Pre-Owned Watches | The 1916 Company,Seiko SBXD002 Astron The 1969 Quartz Astron 50th Anniversary Limited Edition - Exquisite Timepieces,A tribute to a watchmaking revolution. The 50th anniversary of the Seiko Quartz Astron is celebrated in a limited edition GPS Solar watch - Watch I Love,2002年 ストリームラインデザインのウオッチ | Seiko Design 140