Oyster Perpetual Sky-Dweller is designed for the world traveler. The watch is equipped with the Saros calendar and Ring Command system, in addition to the calendar and month, it can also display the time in two time zones at the same time, and you can easily adjust different functions with simple operations. Since its launch in 2012, Sky-Dweller has been an important tool to avoid jet lag and take advantage of opportunities. As long as you wear this technically superior watch, no matter where you are, you are also in sync with the world.