Ref. 5402STAn historically important and extremely well-preserved stainless steel wristwatch with date, bracelet, box and certificate of origin Launched in 1972, the Audemars Piguet Royal Oak was the world’s first stainless steel luxury sports watch with a fully integrated bracelet. Designed overnight in response to an urgent request for an ‘unprecedented steel watch’, it was at the same time the most expensive stainless steel watch ever made.
