Japan Miyota 820A Movement Automatic Mechanical Day Date Display Window

Japan Original MIYOTA 820A Movement Automatic Mechanical Self-winding Quick Day Date Display Window 21 Jewels Watch Parts
Brand: Miyota (Citizen)
Caliber Number: 820A
Base Miyota 8215
Movement TypeAutomatic
Diameter26mm
Height5.67mm
Jewels21
Vibrations Per Hour: 21,600 bph
Lift Angle- 49 degrees
Shock SystemParashock
Power Reserve--42 hours
Winding Direction--Uni-directional (counterclockwise)
Hacking:Yes and no (newer movements have hacking)
Hand-Windable: Yes
Stem: 065-212
Dial Screws: 929-610
Movement Holder: 500-710 (plastic), 502-008 (metal)
Hand Size: 1.52mm / 1.00mm / 0.17mm
Functions: Hours, minutes, central seconds, quick set date (at 3:00 or 6:00)
Country of Manufacture Japan
The size is shown on the listing picture.

All dimensions are manually measured with a 5% data deviation.