H.M.Timepiece - Grand Seiko introduces a new generation Spring Drive calibre that is slimmer, even more precise and has a greater power reserve. Calibre 9RA5 takes Spring Drive technology to a 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/us-en/-/media/Images/GlobalEn/GrandSeiko/Home/news/20200305-10/2020030510img01jpg.jpg)
Slimmer, more precise and more powerful. A new Spring Drive movement marks a new beginning for Grand Seiko. | Grand Seiko
Teddy Baldassarre on X: "A stunning dial even by Grand Seiko standards. The new SLGA023 Ushio, Japanese for “tide”, is somewhat surprisingly the first blue diver's watch from the brand, combining a
![Grand Seiko Evolution 9 Collection 9R Collection "Ushio Tide" Spring Drive Diver's watch Caliber 9RA5 SLGA015 | Watch Rapport Grand Seiko Evolution 9 Collection 9R Collection "Ushio Tide" Spring Drive Diver's watch Caliber 9RA5 SLGA015 | Watch Rapport](https://watchrapport.com/cdn/shop/products/63dda4406fdf5832da9d42e0008508e7_800x.jpg?v=1691947134)
Grand Seiko Evolution 9 Collection 9R Collection "Ushio Tide" Spring Drive Diver's watch Caliber 9RA5 SLGA015 | Watch Rapport
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.
![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
![Our Predictions In The Divers Category Of The 2020 Grand Prix d'Horlogerie de Genève (GPHG): We Have An Unexpected Favorite - Quill & Pad Our Predictions In The Divers Category Of The 2020 Grand Prix d'Horlogerie de Genève (GPHG): We Have An Unexpected Favorite - Quill & Pad](https://quillandpad.com/wp-content/uploads/2020/10/Grand-Seiko-9RA5-Professional-Divers-600M_001.jpg)