AP Royal Oak 26574ST Series Men's Watch! An experience of perfection and individuality! .1. Diameter: 41MM! .2. Equipped with a custom Cal. 5134 movement, perfectly restoring functionality! .3. All features, including date, day, month, and moon phase, are genuine and fully operational. Available in both stainless steel and leather strap options.4. The case is made of 316L stainless steel, with the entire case processed with high precision CNC, matching the density of the original! .5. The dial perfectly presents the original colors! The case set consists of three parts: bezel, case, and back cover, showcasing the brushed finish from every angle, merging quality with beauty!