June 1977 - 48xxA updated to 48xxB Introduction In our recently published article on A History of Grand Seiko - 1975 to 1988, we discussed how between volume 1 and volume 2 of the Seiko 1977 catalogue, the entire range of Seiko Grand Quartz was updated.
Update of 48xx series movements
Update of 48xx series movements
Update of 48xx series movements
June 1977 - 48xxA updated to 48xxB Introduction In our recently published article on A History of Grand Seiko - 1975 to 1988, we discussed how between volume 1 and volume 2 of the Seiko 1977 catalogue, the entire range of Seiko Grand Quartz was updated.