GRAND SEIKO GS AUTOMATIC HI-BEAT 36000 REF. 6145-8000 – Zeit,1969 Grand Seiko 6146-8000 Day Date 61GS Hi-Beat 36000 Cross,s-l400.jpg,Vintage Watch | Grand Seiko 6145 High Beat 36000 – Samurai,A stunning Grand Seiko 6146-8000 Unpolished case with sharp