AP Royal Oak 26574ST Series Men's Watch! A perfect experience of elegance and individuality! .1. Diameter: 41MM! .2. Equipped with a custom Cal.5134 movement, perfectly replicating its functions! .3. All features including date, day, month, and moon phase are fully functional and can be used normally. Available with steel or leather strap options.4. The case is made of 316L stainless steel, with the entire case processed with high precision CNC machining, matching the density of the original! .5. The dial is presented in the original color perfectly! .6. The case set consists of three parts: bezel, case, and case back, showcasing the brushed finish at a perfect angle, merging quality with beauty!