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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