Home Options Timepieces

Grand Seiko marks 20 years of calibre 9R Spring Drive with an autumn sunrise-inspired dial

Audrey Simon
Audrey Simon • 3 min read
All Grand Seiko Spring Drive creations are made in the Hotaka mountain range

Twenty years ago, Grand Seiko introduced the Caliber 9R Spring Drive, which has since become a collector’s favourite, with many enthusiasts collecting each new release. The Spring Drive is particularly significant as Grand Seiko is one of the few manufacturers that master electronic and mechanical watchmaking.

The journey towards this innovative design began long before its introduction. In the 1970s, Grand Seiko embarked on research to develop a watch that combined the power of a mainspring with electronic technologies, achieving a level of precision that no conventional mechanical watch could match.

In 1977, a young watch engineer named Yoshikazu Akahane set out to achieve the impossible: creating an “everlasting” watch. His vision was to produce a traditional watch powered by a mainspring that could achieve the precision of one second per day, a level already attained by the company’s electronic watches.

To continue reading our premium articles,
Upgrade your subscription to as low as $8.33/month to gain unlimited access to ALL of our premium articles!
Have an account? Sign In
Get the latest news updates in your mailbox
Never miss out on important financial news and get daily updates today
The Edge Singapore
Download The Edge Singapore App
Google playApple store play
Keep updated
Follow our social media
© 2026 The Edge Publishing Pte Ltd. All rights reserved.