The Zenith Pilot Type 20 Annual Calendar is driven by the El Primero 4054, an automatic column-wheel chronograph movement equipped with an annual calendar complication. The watch is housed in a 48mm case. Its solid case-back features an engraving of the Zenith flying instruments logo.
Movement Type
Automatic Chronograph
Caliber
El Primero 4054Jewels
29
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Glass
Sapphire
Thickness
15.80 mm
Diameter
48.00 mm
Water Resistance
100.00 m
Dial Color
Black
