Family: 9RA40 jewels120h power reserve
Caliber 9RA2 is an automatic Spring Drive movement manufactured by Seiko, introduced in 2020. It delivers ±10 seconds per month accuracy with a 120-hour power reserve from dual-size barrels. The 38-jewel movement features an offset magic lever and one-piece center bridge construction. It remains in production as the base for various Grand Seiko and Seiko Spring Drive models.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
40 jewels
Power Reserve
120h
Display Type
Analog
COMPLICATIONS
Date
FEATURES
Sweep Seconds
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2020CALIBER FAMILY
9RACOUNTRY
JapanALSO KNOWN AS
cal. 9ra2spring drive 9ra2