OP XXI
Automatic Chronograph
A split-seconds foudroyante movement utilizing a LaJoux-Perret modification of the 7750 caliber. Features include a column wheel, chronograph, foudroyante, and rattrapante functions.
Caliber Details
- Manufacturer
- Panerai
- Base Movement
- ETA 7750
- Type
- Automatic Chronograph
- Frequency
- 28800 vph
- Power Reserve
- 42 h
- Jewels
- 40
- Diameter
- 36.60 mm
- Display
- Analog
- Hands
- Hours, Minutes, Small Seconds
