Seiko Grand Quartz Twin 9943-8010 36mm Silver Dial Day-Date Vintage 70s Mens
1978 Model / New Strap / Excellent Condition / Fully Functional – Seiko Grand Quartz 9943-8010. SEIKO GRAND QUARTZ. → “A masterpiece from Suwa Seikosha, manufactured in May 1978. The pinnacle of the era—surpassing even the GS line—this is the distinguished Grand Quartz.”.