The thin case is only possible because AP still uses Bvlgari Replica watches the caliber 2121 movement, which has a height of only 3.05mm thick, including the 21ct gold rotor. The screws in the octagonal bezel are still made out of white gold, as are the minute and hour hands. Below a picture of the movement, dis-assembled (without rotor) not even 3mm in height. Picture credits to Matthias S of the German R-L-X forum.I think a lot has been written about this movement already, also used by Vacheron Constantin (caliber 1120 in their 222′) and the Patek Philippe Nautilus (caliber 28-255), all based on Jaeger-LeCoultres caliber 920. Story is that VC, PP and AP had some influence/input when JLC created this movement. Later on, only AP made this particular movement in license of JLC.The main difference between the 15300 and 15202 are the thickness of the Bvlgari Replica watches and bracelet and, ofcourse, the second hand.
Just before year-end, on the 24th of December to be exact, I traded my Audemars Piguet Royal Oak ref.15300 for a 15202ST (or 15202ST.OO.0944ST.02 in full). Although I was very happy with my white dialed Royal Oak 15300, the 15202 Jumbo remains to be the original Royal Oak in my opinion. The original G?ɬ©rald Genta creation of 1972 still lives in the current Royal Oak collection, bearing reference number 15202ST. The original Royal Oak Jumbo is pictured below, with reference number 5402.As you can see, the hour markers are a bit different than the current Jumbo and the AP logo changed position. If you look even more closely, you will notice that the dial pattern is a bit different too. The squares are a bit smaller than on the current models of the Royal Oak series.What didnt change, is the size of the Bvlgari Replica watches , the lack of a second hand, the movement caliber (2121) and the thin case.
