The NE15B is the SII/TMI version of the 6R15C, sold to third-party watch brands as part of the 'Premium' Mechanical Series. Features ETACHRON regulator, ball bearing rotor, and 50-hour power reserve. Upgraded from NE15A with new balance wheel and barrel.
Movement Type
Automatic
Jewel Count
24 jewels
Power Reserve
50h
Frequency
21,600 vph (6 Hz)
Diameter
27.4mm
Height
5.32mm
Display Type
Analog
Rotor Type
bidirectional
Winding
ball bearing
Shock Protection
Diashock
BRAND
SeikoTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheLAUNCH YEAR
2014CALIBER FAMILY
NECOUNTRY
JapanALSO KNOWN AS
