Family: 9R30 jewels72h power reserve
Caliber 9R15 is Seiko's in-house Spring Drive automatic movement, introduced in 2010 and remaining in production. It belongs to the 9R family of Spring Drive calibers, which use a quartz-regulated electromagnetic braking system to achieve the smooth, continuous sweep seconds hand characteristic of the technology. The 9R15 powers select Grand Seiko and Seiko models, representing Seiko's proprietary Spring Drive platform within its in-house movement portfolio.
Last updated 9 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Spring Drive
Jewel Count
30 jewels
Power Reserve
72h
Display Type
Analog
QUICK FACTS
BRAND
TYPE
Spring DriveSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2010CALIBER FAMILY
9RALSO KNOWN AS
cal. 9r15spring drive 9r15
FOR WATCH DEALERS
Sell watches powered by the 9R15?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.
