Family: 9F
Caliber 9F51 is a slim in-house quartz movement manufactured by Grand Seiko, introduced in 2012. It achieves ±10 seconds per year accuracy through Twin Pulse Control Motor technology and delivers a 3-year battery life. The movement omits the date function to maintain its slim profile. It remains in production and appears in Grand Seiko's Heritage Collection.
TECHNICAL SPECIFICATIONS
Movement Type
Quartz
Display Type
Analog
QUICK FACTS
BRAND
TYPE
QuartzSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2012CALIBER FAMILY
9FALSO KNOWN AS
caliber 9f51