My Grandfather's 80's Seiko 5 6309-8970. 11 years ago before my Grandfather past away he complained that the watch was being temperamental and it stopped working. 9.5 after his death on New
Vintage Nice SEIKO 5 6309-8800 automatic Silver DIAL DAY DATE SS 21 Jewels R45 | eBay
VINTAGE SEIKO 5 6309-8900 A5 AUTOMATIC J17 JAPAN MADE MEN'S WRIST WATCH (1502) | WatchCharts
Seiko vintage 5 automatic 6309-7150 made in 1980 in Japan. for $223 for sale from a Private Seller on Chrono24