The Miyota 8215 is a legendary 21-jewel workhorse automatic movement introduced in 1977. Part of Miyota's 'Standard Automatic' line and base for the entire 82XX family. Known for its reliability, low cost, and availability. May exhibit hesitating/stuttering seconds due to indirect-drive system. Hacking seconds added to newer production units (post-2018). One of the most widely used movements in affordable watches worldwide.
Movement Type
Automatic
Jewel Count
21 jewels
Power Reserve
42h
Frequency
21,600 vph (6 Hz)
Diameter
26mm
Height
5.67mm
Display Type
Analog
Rotor Type
unidirectional
Shock Protection
Parashock
BRAND
MiyotaTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheLAUNCH YEAR
1977CALIBER FAMILY
8xxxCOUNTRY
JapanALSO KNOWN AS
