Audemars Piguet Royal Oak Offshore 26170st Year: 2013The Royal Oak Offshore was first released in 1993, and its big 42mm case size, along with some of its other prominent features, earned it the nickname "the beast". Since 1993 AP has experimented with a variety of case sizes and materials. The Royal Oak Offshore is a big and bold luxury sports watch with many desirable features such as the sapphire crystal, open case back and water resistance of 300m. This model has a more adventurous design when