Rolex GMT-Master II 40mm 'Batgirl' Jubilee 126710BLNR November 2019 Box & Papers
The GMT-Master story began in 1955 when their very first pilot watch was made for Panam pilots' ref 6542, which featured a bakelite bezel. It was replaced with the ref. 1675, which was in production from 1959 until 1980, when the ref.