Family: 9SA80h power reserve36,000 vph (5 Hz)
Caliber 9SA5 is an automatic movement introduced by Grand Seiko in 2020 as the first in the Evolution 9 series. It operates at 36,000 vph with an 80-hour power reserve and features the Dual Impulse Escapement with MEMS technology, paired with a free-sprung balance and overcoil hairspring. The movement is 15% slimmer than previous hi-beat calibers and includes an instant date change. It remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
80h
Frequency
36,000 vph (5 Hz)
Display Type
Analog
COMPLICATIONS
Date
FEATURES
Instantaneous Date Change
More Grand Seiko movements
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2020CALIBER FAMILY
9SAALSO KNOWN AS
caliber 9sa5
FOR WATCH DEALERS
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