Picked up some vintage Seiko's. Including the first auto quartz watch. | WatchUSeek Watch Forums
Seiko AGS Pre Kinetic - Men's watch - January 1988 - Catawiki
Seiko Automatic Generating System (A.G.S) 7M22-6A50 from 1988 – Paleh
Seiko AGS capacitor – Watch space
SEIKO A.G.S 7M22-8A10 (1988) | The Watch Site
Seiko AGS vintage – Watch space
THE HISTORY OF THE SEIKO KINETIC DRIVING SYSTEM - Montres Publiques - The vintage watch magazine
Seiko Quartz, "A.G.S." (Automatic Generating System), case No. 810340. Produced circa 1988.Center-seconds, self-winding, water-resistant, gold-plated wristwatch with date and polished and brushedgold-plated link bracelet. | Important Watches ...