Seiko Fifty Five Fathoms Automatic Black Dial Men's Watch SNZH57 4954628125811 - Watches, Other - Jomashop
Seiko Special Edition 50th Anniversary of the First Quartz Watch – Franklin-Stevens Jewelers
Seiko Chronograph SQ 50 for $782 for sale from a Private Seller on Chrono24
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