The Rolex Explorer II was first introduced in 1971. A successor to the popular Explorer I this wristwatch was aimed at world travellers and adventurers alike. It is larger and more rugged than its predecessor, essentially a GMT wristwatch featuring 24 hour bezel and hand. This watch T shirt is based on the Oyster Perpetual Explorer II Ref. 216570 with the distinctive orange 24 hour hand along with the recognizable Mount Everest summit.