Audemars Piguet 25820ST (Pre-owned - Good) — USD 438,995 on eBay

The Audemars Piguet Royal Oak Offshore Chronograph reference 25820ST represents the stainless steel variant within the Offshore chronograph collection. This 42mm chronograph was produced from 2000 to 2008, positioning it as part of the model's established production period. The watch features a 42mm stainless steel case with a fixed octagonal bezel and black dial. The automatic caliber 2226/2840 movement provides chronograph functionality with a 50-hour power reserve. Construction includes sapphire crystal and water resistance to 100 meters, fitted with a steel bracelet. Reference 25820ST appeals to collectors seeking a steel sports chronograph from Audemars Piguet's chronograph series. The eight-year production run and stainless steel construction make this reference accessible within the Royal Oak Offshore chronograph lineup, offering the collection's 42mm proportions in an all-steel configuration.