YL Patek Philippe Starry Sky Upgrade Ultimate v2 version has upgraded 1. The stars automatically rotate 2. The arrangement of the upgraded calendar is the same as the original one 3. The thickness of the entire watch is closer to the original thickness 42*11 mm. The moon in the Patek Philippe Starry Sky will change according to the shape of the sky. The moon changes and changes [color][color][color] according to the full moon and the waning moon in the sky (the first month is crescent and the fifteenth month is full) and is moved to the watch.