Skeleton mechanical watches are more expensive than watches of the same grade, especially many of the engraved rattan carved chisel on the plywood are done by hand by the masters of engraving and watchmaking. The traditional Swiss watch is best at the art design of the watch dial, which also includes the hollow art on the dial, which represents the superb and comprehensive watchmaking art of the Swiss watchmaking industry. Among Swiss watch brands, from super-brand Patek Philippe and Vacheron Constantin, to high-end watch brands Zenith and Hublot, to mid-end brands, Oris and other brands are all good at hollowing out. Hollowing is not only an art of self-expression, but also a kind of self-confidence. Dare to hollow out must have a very beautiful and beautiful movement with excellent performance. More importantly, the performance requirements of the skeleton watch will also be higher. Waterproof, shockproof and antimagnetic. With more functions, there are more movement parts. How to reveal the complex machine At the same time, it is necessary to maintain the hollow beauty of the movement splint bone, which is a big challenge for watchmakers.