Here is arguably the hardest Rolex watch to track down - the elusive 'blue dial' Sky-Dweller in stainless steel. 2019 model. This watch is pre-owned but sold in an 'unworn' condition and is perfect. This watch, which is the most complicated model Rolex have made to date comes complete with its Rolex box and papers and is covered by Rolex's outstanding international warranty until 2024. The watch, which has a 42mm case, is fully automatic and features an annual calendar and a second time zone. It is also incredibly accurate with a +/_ range of 2 seconds a day. Available immediately from Armour Winston.