Panerai · Automatic
Caliber OP XXI
Foudroyante split-seconds movement based on a a LaJoux-Perret modification of the 7750.
Technical Specifications
Winding
Automatic
Power Reserve
42 hours
Frequency
28,800 vph (4 Hz)
Jewels
40
Diameter
36.6 mm
Watches with this movement(3)
More Panerai calibers
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