Family: El Primero36,000 vph (10 Hz)
Caliber 3019 PHI is an automatic chronograph movement introduced by Zenith in 1970 as a variant within the El Primero family. Operating at 36,000 vph (5 Hz), it shares the high-frequency architecture of the original El Primero. The movement was manufactured in-house and discontinued after a limited production run, primarily serving specific regional markets.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Frequency
36,000 vph (10 Hz)
Display Type
Analog
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1970CALIBER FAMILY
El PrimeroALSO KNOWN AS
cal. 3019 phi