1965's The second Grand Seiko GS 5722-9990 Cal.5722B/ case no. 5601277, made in Japan.
1965's The second Grand Seiko GS 5722-9990 Cal.5722B/ case no. 5601277, made in Japan.,SEIKO] Grand Seiko 2nd 5722-9990 5722B Chronometer,Grand Seiko 57GS Complete Guide,1965's The second Grand Seiko GS 5722-9990 Cal.5722B/ case no. 5601277, made in Japan.,SEIKO] Grand Seiko 2nd 5722-9990 5722B Chronometer