Grand Seiko SBGA211
© Grand Seiko
Model SBGA211 is a wristwatch from the Grand Seiko brand in the “Grand Seiko Heritage Collection” series.
The watch is powered by the automatic Spring Drive Manufacture Caliber Cal. 9R65, which achieves an accuracy of ±15 seconds per month (average) (±1 second per day) and a very high power reserve of three days (72 hours).