#wristband  band consisting of a part of a sleeve that covers the wrist
  supertype:  band  something elongated that is worn around the body or one of the limbs
  part of:  sleeve.cloth_covering__arm  the part of a garment that is attached at armhole and provides a cloth covering for the arm
     part of:  garment  an article of clothing; "garments of the finest silk"

No statement uses or specializes wristband; click here to add one.