Spring Drive 8 Days
Spring Drive 8 Days introduced Caliber 9R01, the first Grand Seiko movement made by the Micro Artist Studio, with a 192-hour reserve.
History timeline
2016
Introduced
Source: Grand Seiko History
Spring Drive 8 Days introduced Caliber 9R01, the first Grand Seiko movement made by the Micro Artist Studio, with a 192-hour reserve.
2016
Introduced
Source: Grand Seiko History