Patek Philippe Iron strokes and silver hooks, robust and visually appealing new product. Antique, retro, and exquisite craftsmanship! The best collectible piece of the year: Patek Philippe's classic super complicated multifunction perpetual calendar watch. Designed meticulously by our team over more than two years, regardless of cost, daring to be a pioneer, striving for perfection, overcoming numerous challenges, and breaking through multiple technical bottlenecks. The movement model is CH 29 - upgraded version, with stable quality! The dial features a moon phase display and date indication at the 6 o'clock position. All perpetual calendar indicators are clear and easy to read at a glance. Inside is equipped with a simulated SQ automatic winding movement, which is a premium version of the legendary automatic movement. The strap is made of classic Italian calf leather, with clear texture and excellent quality. Paired with the top-notch Patek Philippe lantern clasp, universally compatible with original parts without any pressure. The elegant Calatrava engraved case is highly distinctive, with a 42mm size that fits most men's wrist sizes, consistent with retail standards, making it very suitable for both business and casual wear.