Audemars Piguet Royal Oak Offshore Chronograph watch.
This model features a stainless steel case and bracelet, with the characteristic octagonal bezel secured by eight hexagonal screws.
The dial is an openworked or skeleton design, revealing the inner workings of the watch.
The watch includes chronograph subdials and a tourbillon complication, which is a rotating cage that houses the escapement and balance wheel to improve accuracy.