Family: El Primero34 jewels60h power reserve36,000 vph (5 Hz)
The El Primero 3630 is an automatic tourbillon movement beating at 5 Hz (36,000 VpH), with a lightweight open tourbillon cage of 0.25 g that turns once a minute at 6 o'clock and a 60-hour power reserve. Zenith fits it to the Defy Skyline Tourbillon.
Last updated 26 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
34 jewels
Power Reserve
60h
Frequency
36,000 vph (5 Hz)
Diameter
30mm
Display Type
Analog
COMPLICATIONS
Tourbillon
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2023CALIBER FAMILY
El PrimeroALSO KNOWN AS
cal. 3630
FOR WATCH DEALERS
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