Illustration, not drawn to scale: case and lug width not on record Audemars Piguet Royal Oak Concept 2002 designer Reference 25980 At Audemars Piguet from 1999 to 2003, he worked on the first Concept for two years with the movement side, starting from new materials and curved shapes he could not apply to the Royal Oak itself. Strap size and story Source: Revolution, Wikipedia