YOU SAID:

I don't know where to wear which watch whilst we watch each witch wearing nothing but a wig.

INTO JAPANESE

私たちはかつらしか身に着けている各魔女を見ながら、どの時計を着用する場所がわかりません。

BACK INTO ENGLISH

We don't know which watch to wear while watching each witch wearing a wig.

INTO JAPANESE

私たちは、かつらを身に着けている各魔女を見ながら、どの時計を着用するかを知りません。

BACK INTO ENGLISH

We don't know which watch to wear while watching each witch wearing a wig.