Zenith Chronomaster Sport Skeleton Is the Skeletonised Daytona Rolex Hasn’t Made
The El Primero has been a benchmark chronograph movement since 1969, when Zenith launched it as the world’s first automatic, integrated high-frequency calibre. It was good enough that Rolex based the Daytona’s movement on it from 1988 until the in-house 4130 arrived in 2000. Today’s version...
