The invention relates to a tourbillon for a watch having a setting device for setting the hands of the watch. When there is a security problem in a content of the connection approvaldisapproval determination rule if a connection is to be formed, the security problem is solved by having a user re-input authentication information in the content of the connection approvaldisapproval determination rule. Nanotube material may be sputtered over a plurality of layers to form the nanotube structure. The subspacer layer has a thickness smaller than a quarter wavelength. A mixing apparatus is integrally formed as a single unit with the lid.