The monobloc https://zzb.bz/afmK6k link case is also dynamically waterproof, meaning that you can even operate the crown and https://is.gd/E2A3aL link the pushers under water. “You can’t really seal pushers. Instead https://v.gd/G0daSe link we seal the chronograph arms from the movement. This is similar to the vault steering system in a Porsche car, where engines are isolated the same way: The valves are completely sealed but moving,” says Novak.