Stainless steel Audemars Piguet Royal Oak Offshore chronograph wristwatch, reference 26470ST.oo.A027CA.01. The case is stainless steel, with csaeback being of stainless steel and sapphire glass, exhibition back. It has a Swiss automatic chronograph movement and a blue waffel pattern dial with applied luminous Arabic numbers and silver zones, indicating hours, minutes, small seconds, chronograph sweep center seconds, 30 minute and 12 hours. It has a blue rubber strap with an AP tang buckle. Circa 2015.