The bracelet is made using the same tools and technique that are used to make the watches' dial. The following video shows you how a dial is made. The world changes every day unlike a Royal Oak dial. The Royal Oak would not be the Royal Oak without its tapisserie pattern dial.
Since 1972, they have been manufactured traditionally without any help from modern or CNC technology. The same is true for this keyring. It takes a whole hour to make one keychain Tapisserie Pattern. If you were lucky enough to get one, take a look to your keychain with a magnifying glass... And realize how "precious" these keychains are. It is in 100% brand new condition with original packaging to which Never Displayed nor Used before & from a smoke + pet free environment.