Ultra-slim manual winding movement representing the purest form of Grand Seiko timekeeping. No date complication, simple three-hand display with central seconds. The slimmest caliber in the 9S family, enabling thinner dress watches.
Movement Type
Manual Wind
Jewel Count
24 jewels
Power Reserve
72h
Frequency
28,800 vph (8 Hz)
Diameter
28.4mm
Height
3.9mm
Display Type
Analog
Shock Protection
Diashock
BRAND
Grand SeikoTYPE
Manual WindSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2015CALIBER FAMILY
9SCOUNTRY
JapanALSO KNOWN AS