The ST91 is a hand-winding minute-repeater movement. Chimes hours, quarters, and minutes on demand. The ST9150 variant includes a perpetual calendar with the minute repeater. One of the most affordable minute repeater movements available globally.
Movement Type
Manual Wind
Jewel Count
25 jewels
Power Reserve
40h
Frequency
21,600 vph (6 Hz)
Display Type
Analog
Shock Protection
Incabloc
BRAND
Seagull Watch GroupTYPE
Manual WindSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
ST91COUNTRY
ChinaALSO KNOWN AS
