Explore our collection of pre-owned Rolex Explorer models. The 100% Swiss made Oyster Perpetual Explorer and Oyster Perpetual Explorer II evolved from Rolex’s deep involvement with exploration. They go where few people venture. The Explorer and the Explorer II are made from Oystersteel which is extremely resistant, offers an exceptional finish once polished and maintains its sheen even in the harshest environments. Resist the extreme with the Rolex Explorer models. Shop all pre-owned Rolex models here.