55 jewels72h power reserve28,800 vph (4 Hz)
The P.4100 is an automatic mechanical movement used by Panerai. It runs in 55 jewels. It measures 35.1 mm in diameter and 7 mm thick. The balance beats at 28,800 vibrations per hour, and the power reserve is 72 hours. Panerai fits it to the Luminor Perpetual Calendar and Radiomir Perpetual Calendar.
Last updated 11 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
55 jewels
Power Reserve
72h
Frequency
28,800 vph (4 Hz)
Diameter
35.1mm
Height
7mm
Display Type
Analog
COMPLICATIONS
DateDayGMTPerpetual CalendarPower Reserve Indicator
QUICK FACTS
FOR WATCH DEALERS
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