![Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko](https://www.grand-seiko.com/us-en/-/media/Images/GlobalEn/GrandSeiko/Home/news/20200305-10/2020030510img07png.png)
Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko
The New Grand Seiko Calibre 9RA5 Spring Drive 5 Days | Grand Seiko introduces a new generation Spring Drive calibre that is slimmer, even more precise and has a greater power reserve.
The New Grand Seiko Calibre 9RA5 Spring Drive 5 Days | Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. The Shinshu watch
This Grand Seiko Diver's watch is powered by Spring Drive Caliber 9RA5 which offers an accuracy rate of ±10 seconds per month and a five… | Instagram
![Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko](https://www.grand-seiko.com/us-en/-/media/Images/GlobalEn/GrandSeiko/Home/news/20200305-10/2020030510img01jpg.jpg)