The Zenith Pilot Type 20 Annual Calendar is built with a 48mm case and functions using the automatic El Primero 4054 column-wheel chronograph movement with an integrated annual calendar. The rear of the case is sealed and engraved with the Zenith flying instruments emblem.
Movement Type
Automatic Chronograph
Caliber
El Primero 4054Jewels
29
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
15.80 mm
Diameter
48.00 mm
Water Resistance
100.00 m
Dial Color
Black
