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.
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In-Depth: The Grand Seiko T0 Constant Force Concept Tourbillon, The First Tourbillon Movement From Grand Seiko - Hodinkee
![Caliber 9RA5 _ Achieving greater winding efficiency and a slimmer movement The Offset Magic Lever | GS Story Caliber 9RA5 _ Achieving greater winding efficiency and a slimmer movement The Offset Magic Lever | GS Story](https://article.gs-story.com/images/9RA5_magiclever_CG_1.jpg)
Caliber 9RA5 _ Achieving greater winding efficiency and a slimmer movement The Offset Magic Lever | GS Story
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 Australia - SLGA001 is powered by Calibre 9RA5, taking Spring Drive technology to a new level of excellence through the re-design and re-positioning of the Magic Lever. In the new
![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/nl-en/-/media/Images/GlobalEn/GrandSeiko/Home/news/20200305-10/2020030510img01jpg.jpg)