White shell gold and black diamond 50 Patek Philippe AQUANAUT series 5968A-001. The watch size is 42.2mm. The grinding and polishing are top-notch on the market. A stable and durable automatic mechanical movement is used to change the CH 28-520 C movement. The movement has exquisite workmanship. Timing and running seconds function. Graceful and luxurious, showing your true self. Please appreciate it by heroes from all walks of life.,