Workhorse automatic movement from Seiko Instruments Inc. (SII/TMI). Hacking seconds and hand-winding capable. Features Seiko's Magic Lever bi-directional winding system. Unbranded version of Seiko caliber 4R35, widely used in microbrand and entry-level watches.
Movement Type
Automatic
Jewel Count
24 jewels
Power Reserve
41h
Frequency
21,600 vph (6 Hz)
Diameter
27.4mm
Height
5.32mm
Display Type
Analog
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
diashock
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2011CALIBER FAMILY
NHCOUNTRY
japanALSO KNOWN AS
