Porsche Design by IWC Ocean 2000 ref. 3524 Box and PapersIn 1981, Gnter Blmlein took the helm as IWCs CEO, fostering an expanded collaboration with Porsche Design. The groundbreaking Porsche Design "Ocean 2000" (Reference 3500) debuted in 1983 with water resistance of 200 atmospheres, equivalent to 2000 meters or around 6500 feet. This one is a later reference 3524 , differentiated by a different text lay out on the dial . The titanium cased Ocean 2000, catering to a younger and active clientele, not only