Hi All, Hopefully some of you joined me last weak, wore your El Primero-powered Zenith's and monitored the accuracy of the movement . I wore my manual wind Prime 12 hours per day and checked the daily variation at 7pm every evening. The watch was fully wo...
Hi Art, Yes, an interesting variation. I don't have a clear explanation. I may have been hiking more on the -5 day, but I used the chronograph for short periods on all days. And in the past I haven't observed a difference in performance when the chronogra...