Seiko Astron – GPS Solar Dual Time 1969 Quartz 50th Anniversary Limited Edition SSH023 – Golden Time Jewelers
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
Two limited editions celebrate milestones in Seiko's chronograph history | Seiko Watch Corporation
Watch S 50th Anniversary Mazinger Z x Seiko - Meccha Japan
Grand Seiko Deep Cuts: The SBGA065 Spring Drive 50th Anniversary - THE COLLECTIVE