Sky-Dweller is Rolex’s most complicated model in the current production. It combines two of the most useful complications in one: annual calendar and GMT function.
With the annual calendar, the date needs to be adjusted only once a year, on March 1. The month indication is a red dot along the 12 baton indices, a smart design not seen in other watches.
The second time-zone of the GMT function is indicated by a separate 24 hour ring, similar to the ring used in many worldtimers. The clever ring command bezel design enables complex operations with just one crown. Notice that many GMT watches cannot provide quick date change, as the crown position is used to change GMT time. Not a problem for the Sky-Dweller, as there is a position on the ring commend to perform the quick date change.
(An illustration of how the Saros annual calendar mechanism works provided by Rolex.)
The timing accuracy is +0.9 seconds measured over 15 days by me. The power reserve is 72 hours. The case is 42mm in diameter and 14.10mm in thickness. It is a heavy watch and you will feel the weight from time to time. The steel and yellow gold combo looks quite classic and elegant to me, but this is a personal preference.
Sky-Dweller is a very versatile timepiece. It is a travel watch with the GMT function and it is a sports watch, thanks to its 100 meter watch resistance.
This account is verified. WatchCrunch has confirmed that this account is the authentic presence for this person or brand.
Nice watch