Zenith Chronomaster Review Watches and Technology / By Timeless The Zenith Chronomaster 1969 is the simplest, and most traditional, of the Chronomasters with open hearts. Zenith Chronomaster El Primero 38mm Review . The El-Primero is possibly the most iconic chronograph movement and a very significant one at that. Why you ask? Read our full review to find out. Replica Zenith Chronomaster El Primero 38mm Full Review. My first […]