Family: El Primero
The Zenith caliber 3630 is an automatic movement belonging to the El Primero family, introduced in 2023 and produced in-house. It operates at 36,000 vph (5 Hz), representing the latest evolution of Zenith's historic high-frequency chronograph caliber with modern refinements. The movement remains in production, featured in contemporary Defy and Chronomaster models.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2023CALIBER FAMILY
El PrimeroALSO KNOWN AS
cal. 3630