![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.
![Grand Seiko: Looking at What Makes the Brand so Special – And Grand Seiko is Definitely Special! - Quill & Pad Grand Seiko: Looking at What Makes the Brand so Special – And Grand Seiko is Definitely Special! - Quill & Pad](https://quillandpad.com/wp-content/uploads/2022/10/Grand-Seiko-Spring-Drive-5-Days-Caliber-9RA5-c-Alex-Teuscher.jpg)
Grand Seiko: Looking at What Makes the Brand so Special – And Grand Seiko is Definitely Special! - Quill & Pad
![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)