2025 Latest BLK Upgrade! Default C factory's newest packaging for shipment! Rolex Yacht-Master 40 Series 1 exclusive customized 3235 integrated movement with complete replica engraving, boasting a power reserve of up to 72 hours, ensuring stable and reliable quality; Quality Assurance.1. Case: Dimensions and thickness are consistent with the original, with a thickness of only 11.5mm, unlike the market version which is obviously fake.2. Dial: Top-tier Swiss ice blue luminous, with intricate texture and accurate color matching; exceptional moonlight, the king of the night!.3. Glass: Sapphire glass with 2.5x magnifying effect, ensuring transparency; enhanced with blue coating for clearer text.4. Strap: Fluororubber strap, perfectly fitting with the lugs for maximum comfort on the wrist; produced by C factory, guaranteed to be a high-quality product, with every exquisite detail developed with true craftsmanship.5. First-class workmanship, look for the unique C factory serial number, unique design. Quality assurance, high quality, high-end product!