Family: 2xxx
The Zenith caliber 2521 is an automatic movement introduced in 1960, manufactured in-house and belonging to the 2xxx caliber family. It predates the El Primero chronograph, which launched in 1969. Production has discontinued.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1960CALIBER FAMILY
2xxxALSO KNOWN AS
cal. 2521
