Caliber 21
Automatic Chronograph
Derived from the ETA/Valjoux 7751, this chronograph movement is modified for Breitling 21 by removing the moonphase indicator.
Caliber Details
- Manufacturer
- Breitling
- Base Movement
- ETA 7751
- Type
- Automatic Chronograph
- Frequency
- 28800 vph
- Power Reserve
- 42 h
- Jewels
- 25
- Diameter
- 30.00 mm
- Display
- Analog
- Hands
- Hours, Minutes, Small Seconds, Day / Night Indication
