The Zenith Defy El Primero 21, which launched at BaselWorld 2017, utilizes the El Primero 9004 movement to offer 1/100th of a second measurement and marks the return of the Defy name. Reference 49.9000.9004/78.R782 was introduced in 2018, featuring a black ceramic case and a rubber strap. Note that the movement finish was updated as of June 2019.
Movement Type
Automatic Chronograph
Caliber
El Primero 9004Jewels
53
Reserve
50
Frequency
36000
Hands
Small Seconds
Shape
Round
Lug Distance
23.00 mm
Material
Ceramic
Glass
Sapphire
Thickness
14.50 mm
Diameter
44.00 mm
Water Resistance
100.00 m
Dial Color
Skeleton
Material
Rubber
