Manufacturer: Cheongdam Watch Studio v2026 Model Name: Santos de Cartier Grey Large Movement: Highest-quality modified automatic movement available Glass: Sapphire crystal glass (scratch-resistant) * Delivery may vary depending on the completion time at the manufacturer * * Please do not compare with cheap, low-quality products * < Product renewal by disassembling the highest-quality model > STEP 1: Complete disassembly, reassembly, and rotor noise reduction STEP 2: Bezel polishing and full watch sanding