The Audemars Piguet Royal Oak Offshore Diver reference 15710ST.OO.A077CA.01 was introduced at SIHH 2018. It features a stainless steel case and a purple dial. It is fitted with a rubber strap matching the dial color.
The in-house caliber 3120 has a total of 280 parts. The rotor, in 22ct gold, is mounted on ceramic ball bearings.