Grand Seiko Quartz Movements January 09, 2020 9F Grand Seiko Grand Seiko Quartz Grand Seiko Watches Quartz Watches SBGN005 SBGN009 SBGX261 Schwanke-Kasten Schwanke-Kasten Jewelers Schwanke-Kasten Milwaukee Schwanke-Kasten Whitefish Bay +