The Seiko Guy | First quartz watches in history, the Quart-Astron 35SQ with 18k solid gold case, and the 36SQC with stainless steel case and bracelet. Th... | Instagram
VINTAGE SPORT JAPAN STAINLESS STEEL MEN'S QUARTZ WATCH "SEIKO" SQ 100/5Y22-607A | eBay
The Story of 1969 Quartz Astron and GPS solar Astron | Seiko Astron | Seiko Watch Corp.