wristwatch - n. a watch that you wear on a strap or band around your wrist

strap - n. narrow and usually flat piece of a material that is used for fastening, holding together, or wrapping something

binding - n. a narrow strip of cloth attached along the edge of something

allergic - adj. of or relating to an allergy -- a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people