It is an object of this invention to provide a wrist watch containing an
RFID tag which maintains a sense of luxury and has comparatively high
sensitivity. The wrist watch containing tag of this invention comprises a
watch case having a ring-shaped frame, a glass lid, and a bottom lid; a
drive section which is accommodated inside the watch case; a display
section for displaying time which is driven by the drive section; and an
RFID tag which is accommodated inside the watch case and comprises an
antenna and an IC chip; the ring-shaped frame and/or the bottom lid having
at least one slit therein, and the antenna comprising a wound coil which
runs along the inner face of the ring-shaped frame so as to surround the
drive section. The slit is filled with a nonconductive resin, affixing the
opposing cutaway planes together.
