Grand Seiko 5645 7005 Linen Dial 18k YgThe last line, 56GS, was often referred to as Ultra Thin. It includes 18 variations Most of the 56GS production process was automated beginning in the 1970s. The precision level suffered as a result of this transition, with a decrease in movement speed from 36,000 bph to 28,800 bph. This watch is stunning condition 56GS with 18K YG solid gold case and beautiful linen dial. Comes with genuine SEIKO leather strap and 18K signed buckle. Warranty The