
Panerai caliber OP XXI
Ref. OP XXI
The Panerai caliber OP XXI is an automatic movement with a 42-hour power reserve, beats at 28,800 vph, and carries 40 jewels.
Foudroyante split-seconds movement based on a a LaJoux-Perret modification of the 7750.
- Type
- Automatic
- Display
- Analog
- Power reserve
- 42 h
- Frequency
- 28800 vph
- Jewels
- 40
- Diameter
- 36.6 mm
- Complications
- Chronograph, Column wheel, Foudroyante, Hours, Minutes, Rattrapante, Small Seconds
- Base caliber
- ETA caliber 7750


