Showing off its incredible precision through a part skeleton dial the el primero chronomaster 1969 collection from zenith have been labelled the worlds most precise chronograph the silver toned sunray with two sub dials catches the eye with its faceted rhodium plated indices hands coated with superluminova the steel case has sapphire crystal both front and back to let you see the intricate 31 jewel 4061 automatic movement with its 282 components a precision swiss made timepiece from z