Featuring a 42mm case, the Zenith El Primero Chronomaster Power Reserve runs on the caliber 4021 movement with a silicon lever and escape-wheel visible through the case back and dial opening. The power reserve indicator is positioned between 5 and 8 o'clock.
Movement Type
Automatic Chronograph
Caliber
El Primero 4021Jewels
39
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
14.05 mm
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Black
