The Story of 1969 Quartz Astron and GPS solar Astron | Seiko Astron | Seiko Watch Corp.
Seiko Astron 35-9000 | The Watch Bloke
Seiko Quartz Astron 35SQ | About | Epson
How the launch of the Seiko Astron - the world's first commercial quartz - rocked the watch world 50 years ago
How many Astron were really produced?
Seiko 35 A Quartz Astron | La Clinique Horlogère, Service et vente de montres, Porrentruy, Jura, Suisse
Seiko Astron: l'origine - L'Orologio
Saturday watch illustration once again, this time with the piece that single handily started a revolution and the downfall of the mechanical dominance era: the Seiko Quartz-Astron 35Q! This had the very
Quartz-Astron, the world's first quartz watch
Seiko Quartz Wristwatch | National Museum of American History