Featuring a 38mm stainless steel case with a rose gold bezel, the Zenith El Primero Chronomaster 51.2151.400/78.C810 highlights its internal mechanics. The openworked dial provides a clear view of the self-winding El Primero 400 caliber.
Movement Type
Automatic Chronograph
Caliber
El Primero 400Jewels
31
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Lug Distance
21.00 mm
Glass
Sapphire
Thickness
12.75 mm
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Skeleton
Material
Alligator