Global Precision The Sky-Dweller was created for those who navigate multiple time zones with regularity. Its dual-time display and annual calendar functionality reflect Rolexs commitment to innovation in travel-focused horology. Refined Functionality This model, from 2016, features a 42mm case and is powered by the calibre 9001 automatic movement with a power reserve of approximately 72 hours. The timepiece is fitted with a leather strap and secured with an Oysterclasp, offering elegant utility for international travel.