WATCH SOUND is a term used to describe the sound of a TICKING clock. The crossword solutions for this term are TICK (4 letters), TICKING (7 letters), and TICKTOCK (8 letters). TICK is the sound made by a clock or watch when it is running, while TICKING is the continuous sound of a clock or watch running. TICKTOCK is the onomatopoeic sound of a clock or watch running, which is often used in literature and film to represent the passing of time.