The Zenith El Primero Chronomaster Open 03.2042.4061/21.R5760 is housed in a 42mm stainless steel case and showcases a sunburst black dial. A cutout located between the 8 and 11 o'clock markers reveals the internal El Primero 4061 caliber.
Movement Type
Automatic Chronograph
Caliber
El Primero 4061Jewels
31
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
Material
Rubber
