Seiko - 【Grand Seiko High Beat Mechanical Caliber 9S85】 The 10-beat caliber 9S85 was developed exclusively for Grand Seiko, 41 years after the very first 10 beat model. Why 10 beat? Because,
![Vol.6 The creation of 9S85, the next generation of high-beat calibers.: A new team with new solutions | The 9F and 9S calibers in nine chapters | Grand Seiko Vol.6 The creation of 9S85, the next generation of high-beat calibers.: A new team with new solutions | The 9F and 9S calibers in nine chapters | Grand Seiko](https://www.grand-seiko.com/sg-en/-/media/HtmlUploader/Singapore/GrandSeiko/Home/special/9f9s9stories/vol6/assets/images/ph_page1_sp.jpg)
Vol.6 The creation of 9S85, the next generation of high-beat calibers.: A new team with new solutions | The 9F and 9S calibers in nine chapters | Grand Seiko
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