Rolex had ever created two different watches with the functions of date display and moon phase, including ref.8171 and ref.6062. The difference between these two watches is the case. Ref.8171 doesn’t have the Oyster case while the ref.6062 has the Oyster case and the diameter is 36 mm that is smaller than the former one that is 38 mm.
This ref.6062 was sold at 5,180,000 dollars in 2017 on Phillips Geneva Auction. While the ref.8171 was firstly auctioned on Christie’s in New York by a high price of 1,145,000 dollars. Ref. 8171 is available in stainless and gold. The silver dial copy Rolex ref.8171 is very practical with the date display, month display and day of the week display.
Ref.6062 is available in gold, rose gold and stainless steel. The most popular one must be the special one owned by Bao Dai. Since the Rolex ref.6062 fake online with black dial had only been created three pieces, while Bao Dai’s model could be considered as the one and only in the world due to the special diamonds hour markers.