APS Audemars Piguet 15720st is equipped with a new customized integrated cal.4308 movement (not various Japanese machine modified boards), the overall watch size is 42x141.2mm, aps spared no expense to develop an all-in-one machine, and made the original mold to further enhance the replica. Movement: The movement uses a customized all-in-one cal.4308 movement, which is not an ordinary version of the splint machine on the market. All gears of the calendar instant jump function are real and movable, not decorative. The movement uses CNC engraving to make it clearer and more three-dimensional. Case: dps original mold, disassembled the original data of the genuine product, 3D stereo modeling, so that its size ratio is exactly the same as the original, all accessories are interchangeable with the original, and the straight brushed process of the case and the angular case are perfectly integrated. Strap: After 2 years of trial and error, the craftsmanship and quality are continuously improved, and finally the original effect is achieved. Whether in terms of color, material, and craftsmanship, it can be comparable to the counter strap and can be interchanged with the original. Head grain: The one-button quick-release button synchronized with the original makes the strap easy to remove with one button. The buckle also adopts a one-button quick-release design, which can be used with the original. aps carefully creates the highest quality on the entire network!