2021 unworn GMT-Master II 40mm Launched in 1955, the GMT-Master from Rolex was designed as an instrument for professionals navigating around the globe. Mounted in a stainless steel 40mm case, this 2021 unworn GMT-Master II features a signature two-tone bidirectional bezel that shows the time in two different time zones. black stainless steel automatic movement adjustable link bracelet date indication signature Cyclops lens screw-down crown This piece is new and unworn. Original box, papers and CHRONEXT certificate. of water-resistant watches