Lot Essay
Legendary chronograph, the reference 16520 was the first chronograph of the Rolex manufacture encompassing an automatic movement derived from a Zenith ebauche. Built with a larger case than its predecessors and a sapphire-crystal glass, the timepiece encountered great success and throughout the years has become highly sought after by collectors. Of particular interest, the present chronograph features a highly attractive dial with tropical brown subsidiary registers and furthermore retains its original and extremely well preserved condition.