The eponymous [[watch]] of [[Youkai Watch]]. Most are [[wristwatch|wristwatches]], but [[kodama fumika|Fumi-chan]]'s is a [[pendant watch]].

h4. Types
* Original
* [[Youkai Watch Zero-Shiki]]
* [[Youkai Watch U Prototype]]
** [[Youkai Watch U1]]
** [[Youkai Watch U2]]