Family: 9R56 jewels192h power reserve
Caliber 9R01 is a manual-winding Spring Drive movement manufactured by Seiko and introduced in 2016. It achieves an eight-day power reserve through twin barrels, distinguishing it within the 9R family. The movement is assembled and adjusted by hand at Grand Seiko's Shizukuishi studio, reflecting the brand's in-house manufacturing. It remains in production and serves as the base for several Grand Seiko Heritage Collection references.
Last updated 9 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Spring Drive
Jewel Count
56 jewels
Power Reserve
192h
Display Type
Analog
QUICK FACTS
BRAND
TYPE
Spring DriveSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2016CALIBER FAMILY
9RALSO KNOWN AS
cal. 9r01spring drive 9r01
FOR WATCH DEALERS
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