watchband

[ woch-band ]
/ ˈwɒtʃˌbænd /

noun

a leather, metal, fabric, or plastic bracelet or strap attached to a wrist watch to hold it on the wrist.

Origin of watchband

An Americanism dating back to 1945–50; watch + band2

British Dictionary definitions for watchband

watchband
/ (ˈwɒtʃˌbænd) /

noun

US, Canadian and Australian a strap of leather, cloth, etc, attached to a watch for fastening it around the wrist Also called (in Britain and other countries): watchstrap