Family: OP31 jewels48h power reserve36,000 vph (5 Hz)
The OP IV is an automatic mechanical movement used by Panerai. It runs in 31 jewels. The balance beats at 36,000 vibrations per hour, and the power reserve is 48 hours. Panerai fits it to the Luminor Chrono Titanio/Acciaio and Luminor Chrono Automatic Titanium/Steel for AMG.
Last updated 11 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
48h
Frequency
36,000 vph (5 Hz)
Display Type
Analog
COMPLICATIONS
ChronographDate
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
ÉbaucheCALIBER FAMILY
OPALSO KNOWN AS
cal. op iv
FOR WATCH DEALERS
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