The Royal Oak Perpetual Calendar -Quantième Perpétuel- is a complicated take on AP’s iconic luxury sports watch. With the first iteration being introduced in 1983, it can be seen as a trailblazer for the complicated ‘sports’ watch genre.Reference 25829ST.OO.0944ST.01 has a stainless steel case and matching bracelet. The dial is made of sapphire crystal, revealing the inner workings of its complicated movement.
