Produced by SJ .F1 Production: APS-Compatible All-in-One Machine .Introducing the Audemars Piguet Royal Oak 50th Anniversary 15500 ST series, now available! CM6 .The new 15510 model removes the AP gold logo, opting to retain only the full name Audemars Piguet. It features the logo craftsmanship of CODE 1159. The exquisite three-hand movement with an automatic rotor has been upgraded from a gold rotor to a silver rotor with 50 engraving, offering a more organized and vintage appearance. The movement adopts the 4302 all-in-one caliber paired with the latest 50th Anniversary rotorachieving the pinnacle of steel watchesdemonstrating strength as the reigning king of steel! Six remarkable features: .1. Authentic disassembly and molding, with dimensions of 41X10.4mm, consistent with the genuine article! .2. Perfectly replicates every detail of the genuine watch case, showcasing its sharp angles and robust masculine character.3. The craftsmanship of the steel bracelet is impeccable, surpassing any other steel bracelet watches on the market; the tension of the connection between the bracelet's head link and the case is identical to that of the genuine watch.4. Audemars Piguet CAL.4302 all-in-one movement! With a power reserve of up to 72 hours, it is more stable, superior, and authentic.5. The dial features a biscuit texture that is three-dimensional and full-bodied, exuding vitality! It is far from the lackluster quality of ordinary small factoriesexperience the finesse and feel the difference.6. Anti-reflective sapphire crystal, presenting a bluish hue under side lighting, providing a clearer and more vibrant visual effect! .F1 production guarantees excellence! S1 exquisitely recommends the men's mechanical wristwatch.