Vacheron Constantin Overseas 42040 Tropical Dial in Steel with Box and Original Guarantee PapersPresented in 1972, the Audemars Piguet Royal Oak completely transformed the high end Swiss watch industry. Grald Gentas avant garde creation was a sporty yet elegant steel wristwatch with a bold octagonal bezel and an integrated braceletone continuous architectural form rather than separate case and strap. Despite early criticism, Gentas revolutionary idea became an international success, effectively creating an entirely new category of luxury