Vol.4 The Grand Seiko watch case. A triumph of craftsmanship and hard work.: Caliber 9S celebrates its 20th anniversary | The 9F and 9S calibers in nine chapters | Grand Seiko
SBGR317 Grand Seiko 9S Mechanical
9S 25th Anniversary SBGH311 SBGR325 | GS9 Club | Grand Seiko : GS9 Club | Grand Seiko