35SQ] Worlds first Quartz watch - Hand carved & finished : r/Seiko
Quartz-Astron, the world's first quartz watch
The Story of 1969 Quartz Astron and GPS solar Astron | Seiko Astron | Seiko Watch Corp.
Quartz-Astron 35SQ (35-9000), the world's first quartz wristwatch introduced in December of 1969. #seiko #quartzastron #seikoastron #35s... | Instagram
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
How the launch of the Seiko Astron - the world's first commercial quartz - rocked the watch world 50 years ago