Family: El Primero36,000 vph (10 Hz)
The Zenith 3604 is an automatic movement from the El Primero family, introduced in 2021 and still in production. It operates at 36,000 vph (5 Hz) and features a moonphase complication. As part of Zenith's in-house calibers, it represents the integration of the brand's high-frequency chronograph expertise with astronomical complications. The caliber is also referenced as cal. 3604.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Frequency
36,000 vph (10 Hz)
Display Type
Analog
COMPLICATIONS
Moon Phase
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2021CALIBER FAMILY
El PrimeroALSO KNOWN AS
cal. 3604
