Taking cues from vintage Zenith pilot watches, the El Primero Big Date Special is defined by its large SuperLuminova numerals. It runs on the El Primero 4010 movement and includes a big date window at the 6 o'clock position.
Movement Type
Automatic Chronograph
Caliber
El Primero 4010Jewels
31
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Thickness
13.50 mm
Diameter
42.00 mm
Water Resistance
50.00 m
Dial Color
Black
