Wristwatch
People wear wristwatches on their wrists.
Wristwatches have straps and a buckle. Some watches look like bracelets.
Stopwatch
A stopwatch is used to measure how long an event takes.
Coaches use stopwatches to see how long it takes runners to complete a race.
Public Clock
Public clocks are large. This clock is on a diner.
Many civic centers have clock towers.