====== Seiko 9R ======
The **9R** family of [[Spring Drive]] are [[Seiko]]'s most accurate mechanical calibres.

===== Variants =====
All Seiko 9R movements are rated to be accurate to within ±1 second per day, with the 9R15 listed at ±0.5 second per day.

  * 9R15 - 30 jewels, accuracy of ±0.5 second per day
  * [[Seiko 9R65|9R65]] - 30 jewels
  * 9R66 - 30 jewels [[GMT]]
  * 9R86 - 50 jewels [[chronograph]]

===== Applications =====
  * 9R01
    * Grand Seiko SBGD Spring Drive (2016-present)
  * [[Seiko 9R02|9R02]]
    * Grand Seiko SBGZ Spring Drive (2019-present)
  * 9R15
    * Grand Seiko SBGA Spring Drive (2014-present)
  * 9R16
    * Grand Seiko SBGE Spring Drive (2016-present)
  * 9R31
    * Grand Seiko SBGY Spring Drive (2019-present)
  * 9R65
    * Grand Seiko SBGA Spring Drive (2004-present)
  * 9R66
    * Grand Seiko SBGE Spring Drive (2008-present)
  * 9R84
    * Grand Seiko SBGB Spring Drive (2016?-present)
  * 9R86
    * Grand Seiko SBGC Spring Drive (2008?-present)
  * 9R96
    * Grand Seiko SBGC Spring Drive (2016-present)


{{tag>Seiko_calibres Spring_drive_movements Chronograph_movements}}