Abstract: An inlaying watch comprising a holder ring mounted in a hole bored through a personal belonging, a watch body having a flange and a groove formed entirely in a portion of a circumferential surface of the watch body adjacent the flange, and a mount ring having spaced resilient projections with claws formed in an inner diameter portion thereof, said watch body and mount ring being removably fitted together in the position of said holder ring from opposed directions so as to allow the claws to engage into said groove to thereby porvide a unitary structure.