Medians - Both
Location
This Zenith Defy El Primero 21 has a black ceramic case in 44mm. The case height is measured at 14.50mm. The openworked dial features a small seconds at 9 o'clock, a 1/100th of a second chronograph and a chronograph power reserve indicator at 12 o'clock. This model is powered by the self-winding in-house movement, El Primero 9004, with 50 hours power reserve. The movement can be viewed through the open case back. The watch is presented on a black ceramic bracelet.