Audemars Piguet Royal Oak Chronograph Manufacturer: Audemars Piguet Description: reference 25860ST.OO.1110ST.05 39mm stainlessĀ steel case white dial automatic chronograph movement date indicator sapphire crystal Request More Info Fill out the form below to receive more information about this watch. Name* Email* Phone*MessageNameThis field is for validation purposes and should be left unchanged.