When it comes to Royal Oak chronographs, the Royal Oak Offshore gets all the attention. To be fair, it was the first Royal Oak to include the complication, but it wasn’t long until the original Royal Oak earned chronograph functionality, as well. In 1997, four years after the Offshore was born and during the Royal Oak’s 25th-anniversary celebration, the AAA US replica Audemars Piguet Royal Oak Chronograph ref. 25860ST watches was officially released. Featuring a black dial with a “small tapisserie” pattern and chronograph sub-dials at three, six, and nine o’clock, the 25860ST was a Royal Oak through and through. The new chronograph maintained the 39mm diameter of the original time-and-date…