4 Common Coyotes in Texas (With Pictures and Identification) Grand Seiko 5645 7010 Hi Beat. Grand Seiko with 56 movement produced in 1970s at Suwa Facotory. The case design is "Grand Seiko Style". Black color indexes and 2 tone colored bar shaped hands, second hand is silver color. Back case has gold medal, crown is marked "GS". Have a date function. Condition Of course it is original. The case has slight marks and scratches, overall very good condition. The back case is excellent condition with only slight marks. Medallion has a chip at inside the "O". The dial has a little stain beyond 1. The crystal, hands and indexes are excellent condition too. The watch is serviced in Feb 2018. All functions are working perfectly.