Zenith Chronomaster El Primero A384 Revival Watch, Ref: 03.A384.400/21.M384, 37MM Stainless Steel Watch on Stainless Steel Bracelet, The Chronomaster El Primero A384 Revival is a faithful reproduction of the original A384 from 1969, This model has been fitted with an original reviavl of the Gay Frères ladder bracelet, white-lacquered dial with black-coloured counters, El Primero 400 automatic movement with chronograph, approximately 50 hours of power reserve, stainless steel ladder bracelet. Water resistant to 5 ATM, Zenith caliber El Primero 400, beats at 36,600 vph (5Hz), contains 31 jewels and has an approximate power reserve of 50 hours, Watch only mint no box or papers