Panerai caliber OP XXI

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