Manual winding Spring Drive featuring the Torque Return System and Dual-Spring Barrel for extended 84-hour power reserve. Created at the Micro Artist Studio in Shiojiri with exceptional hand finishing. The barrel design is inspired by the bellflower (symbol of Shiojiri). Features beveled bridges and mirror-polished surfaces representing the studio's connection to nature.
Movement Type
Spring Drive
Jewel Count
39 jewels
Power Reserve
84h
Frequency
28,800 vph (8 Hz)
Diameter
30mm
Height
5.5mm
Display Type
Analog
Shock Protection
Diashock
BRAND
Grand SeikoTYPE
Spring DriveSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2018CALIBER FAMILY
9RCOUNTRY
JapanALSO KNOWN AS
