18 jewels55h power reserve18,000 vph (2.5 Hz)
The OP XXVII is a hand-wound mechanical movement used by Panerai. It runs in 18 jewels. The balance beats at 18,000 vibrations per hour, and the power reserve is 55 hours. Panerai fits it to the Radiomir Titanium, Radiomir Titanio, Radiomir 1940 Oro Rosso, Radiomir 1940 Acciaio, Radiomir Platino and Radiomir Oro Rosso.
Last updated 11 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
18 jewels
Power Reserve
55h
Frequency
18,000 vph (2.5 Hz)
Display Type
Analog
QUICK FACTS
FOR WATCH DEALERS
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Watches with this movement
Panerai
Radiomir Titanium
PAM00309
Manual WindingTitanium
Panerai
Radiomir Titanium
PAM00322
Manual WindingTitanium
Panerai
Radiomir Titanio
PAM00349
Manual WindingTitanium
Panerai
Radiomir 1940 Oro Rosso
PAM00398
Manual WindingRed Gold
Panerai
Radiomir 1940 Acciaio
PAM00399
Manual WindingSteel
Panerai
Radiomir Platino
PAM00521
Manual WindingPlatinum
Panerai
Radiomir Oro Rosso
PAM00522
Manual WindingRed Gold