Calibre record · Automatic
Miyota 8215
Documented
A low-cost automatic widely used by independent and micro-brands.
- Manufacturer
- Miyota (Citizen Group)
- Type
- Automatic
- Winding
- Automatic (unidirectional rotor)
- Production
- Late 20th century–present
- Country
- Japan
- Diameter
- 26 mm
- Height
- 5.67 mm
- Jewels
- 21
- Frequency
- 21,600 vph (3 Hz)
- Power reserve
- c. 42 h
- Oscillator / escapement
- Detached lever escapement
- Complications
- Date
Figures are those commonly published for the standard version; individual versions and grades differ. “Undocumented here” means the value has not yet been confirmed for this record.
