TourbillonVault

Panerai · Automatic

OP XXI

Foudroyante split-seconds movement based on a a LaJoux-Perret modification of the 7750.

Panerai caliber OP XXI movement
Winding
Automatic
Power Reserve
42 hours
Frequency
28,800 vph (4 Hz)
Jewels
40
Diameter
36.6 mm

Watches with this movement

3
Panerai Radiomir Regatta 1/8th Second Titanium

Panerai

Radiomir Regatta 1/8th Second Titanium

PAM00343 · 47 mm

Panerai Radiomir 1/8 Second

Panerai

Radiomir 1/8 Second

PAM00246 · 45 mm

Panerai Ferrari Scuderia 1/8 Second

Panerai

Ferrari Scuderia 1/8 Second

FER00025 · 45 mm

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