Drawing inspiration from classic Zenith aviation timepieces, the El Primero Big Date Special stands out due to its prominent SuperLuminova numerals. This model utilizes the El Primero 4010 caliber, which incorporates a big date aperture positioned at the 6 o'clock mark.
Movement Type
Automatic Chronograph
Caliber
El Primero 4010Jewels
31
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Lug Distance
21.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
13.50 mm
Diameter
42.00 mm
Water Resistance
50.00 m
Dial Color
Black
