Calibre record · Electronic tuning-fork
Bulova Accutron 214
Documented
Max Hetzel's tuning-fork movement, guaranteed to within one minute a month; the 'Spaceview' versions show the fork and coils through the dial.
- Manufacturer
- Bulova
- Type
- Electronic tuning-fork
- Winding
- Battery
- Production
- 1960–1970s
- Country
- United States / Switzerland
- Diameter
- Undocumented here
- Height
- Undocumented here
- Jewels
- Undocumented here
- Frequency
- 360 Hz tuning fork
- Power reserve
- Battery, c. 1 year
- Oscillator / escapement
- Tuning-fork oscillator
- Complications
- None (later versions with 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.
