The Rolex Explorer I model 114270 has a stainless steel case and it is supplied with a year warranty. The Rolex Explorer was introduced in 1952 as the ultimate adventurers watch for those who have dared to climb Mount Everest, cross the trickiest of waterways, and navigate through the hottest of deserts. It features a distinctive 24-hour hand, an invaluable aid to distinguish daytime hours from night around the poles and underground.