Royal Oak Concept collection has eight models of skeleton tourbillon devices. Audemars Piguet Royal Oak Concept fake watches with Swiss mechanical movements have solid titanium cases with some red elements, adding dynamic feelings. Their hand-wound movements Cal. 2913 are more precise. The Swiss movements with 29 jewels can support tourbillon devices, GMT functions and so on. The long power reserve is 237 hours. The 44mm titanium cases with black ceramic bezels have skeleton dials. Except for central hollow hands, there are some other indicators. An indicator at 6 o’clock is used to show the position of the crown and another indicator at 3 is used to show the second time…