Zenith Defy El Primero 21 Watch - Black Ceramic - Openworked Dial - Ceramic Bracelet - 49.9000.9004/78.M9000

44 mm black ceramic case, openworked dial with two different-coloured counters, El Primero 9004 automatic movement with 1/100th of a second chronograph, approximately 50 hours of power reserve, ceramic bracelet. Water resistant to 10 ATM.