Peak of Beauty, Passionately Interpreting the Most Dazzling Star of IWC: The Perpetual Calendar.1. Movement: Features the in-house 82650 caliber, known for its stable operation and precise timing, with almost zero returns for repairs.2. Case: Authentic mold, perfectly replicated at a 1:1 scale. The watch measures 40mm, and the entire case is crafted using a proprietary CNC polishing technique, achieving results indistinguishable from the original.3. Dial: The dial' s 12-hour markers are meticulously detailed, with a 1:1 reproduction of the silver-plated dial. It features a double-sided anti-reflective dome sapphire crystal, enhancing the overall texture of the dial.4. Strap and Buckle: This model comes with custom-imported calfskin leather, offering excellent texture and comfort. The buckle is an original folding clasp engraved with the classic IWC logo, further highlighting the watch's luxurious character.5. IWC's Most Dazzling Transparent Back Watch: Suitable for various business occasions, it combines understated elegance with refinement. We welcome watch enthusiasts to appreciate this masterpiece.