Audemars Piguet Launches Royal Oak Perpetual Calendar Black Ceramic Watch Only Special Edition 2017
I believe you must still remember the Audemars Piguet Royal Oak Perpetual Calendar Black Ceramic Watch. It is undoubtedly a shining star at the 2017 SIHH 2017 in Geneva. The perpetual calendar is an important complication in itself, and the application of ceramic materials in the manufacture of this watch …