![Silent Accord: Reviewing the Grand Seiko Spring Drive Diver SBGA229 | WatchTime - USA's No.1 Watch Magazine Silent Accord: Reviewing the Grand Seiko Spring Drive Diver SBGA229 | WatchTime - USA's No.1 Watch Magazine](https://www.watchtime.com/wp-content/uploads/2019/12/GrandSeiko_SpringDrive_Diver_back-open_1000.jpg)
Silent Accord: Reviewing the Grand Seiko Spring Drive Diver SBGA229 | WatchTime - USA's No.1 Watch Magazine
Seiko - Seiko's Spring Drive is an exclusive movement that achieves an unprecedented level of accuracy (+/- 15 seconds per month on average, equivalent to +/- 1 second per day) by regulating
![Did Spring Drive accuracy 'ruin' standard mechanical watches for you? | Page 3 | WatchUSeek Watch Forums Did Spring Drive accuracy 'ruin' standard mechanical watches for you? | Page 3 | WatchUSeek Watch Forums](http://66.media.tumblr.com/a74dda9905bfedba4c2097b6b33fde2f/tumblr_pxqidwaufA1usl35ao1_1280.jpg)
Did Spring Drive accuracy 'ruin' standard mechanical watches for you? | Page 3 | WatchUSeek Watch Forums
![Seiko - Spring Drive Accuracy. A brief examination for real performance and long answer of if it matters. Seiko - Spring Drive Accuracy. A brief examination for real performance and long answer of if it matters.](https://storage.googleapis.com/pubzapuscentral/watchprosite/seiko/355/raw/seiko_7150486.jpg)
Seiko - Spring Drive Accuracy. A brief examination for real performance and long answer of if it matters.
![I've owned my Spring Drive Grand Seiko (SBGA413) for 1 month and the accuracy blew me away | WatchCrunch I've owned my Spring Drive Grand Seiko (SBGA413) for 1 month and the accuracy blew me away | WatchCrunch](https://imgix.watchcrunch.com/images/2022/10/16/srbpDHHhclNiMwTdeIzNa75klyU6iebd227Y4q7f.jpg?auto=format&fit=max&h=4096&ixlib=php-3.3.1&w=4096&s=7a3047c3c36c37b6bd7f5aea040a6788)
I've owned my Spring Drive Grand Seiko (SBGA413) for 1 month and the accuracy blew me away | WatchCrunch
![Seiko - Spring Drive Accuracy. A brief examination for real performance and long answer of if it matters. Seiko - Spring Drive Accuracy. A brief examination for real performance and long answer of if it matters.](https://storage.googleapis.com/pubzapuscentral/watchprosite/seiko/105/raw/seiko_7150491.jpg)