Rolex Gmt-Master 126711CHNR Root Beer Dial Oct 2020Inside the Ref 126711CHNR is The brand new-era calibre 3285. Created and created in-household by Rolex. It incorporates a Parachrom hairspring, providing good resistance to shocks and temperature variants. In addition, it features a Chronergy escapement, featuring an influence reserve of 70 hrs.I p