My first Grand Seiko, SBGX115, went with a 9F quartz first. | WatchCrunch
Grand Seiko] SBGX117 or SBGX335? : r/Seiko
Grand Seiko SBGX117 käpistelyssä - YouTube
Seiko Grand Seiko SBGX117 | WatchBox
WTS] Grand Seiko SBGX117 : r/Watchexchange
Rocking a quartz dive watch today… Grand Seiko SBGX117. Accuracy is supposed to be +/- 10 seconds PER YEAR. Grand Seiko don't mess around.… | Instagram