The reissued El Primero, brought back in 1985 as Cal. 40.0 and renamed Cal. 400 in 1986. This is Zenith's El Primero in its purest form with 278 components. Features the legendary 36,000 vph high-beat rate for precise 1/10 second chronograph timing. Date window at 4:30 position like the original 3019PHC. The movement has been used in Rolex Daytona models from 1988-2000.
Movement Type
Automatic
Jewel Count
31 jewels
Power Reserve
50h
Frequency
36,000 vph (10 Hz)
Diameter
30mm
Height
6.5mm
Display Type
Analog
Rotor Type
bidirectional
Winding
ball bearing
BRAND
ZenithTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
1986CALIBER FAMILY
El PrimeroCOUNTRY
SwitzerlandALSO KNOWN AS
