What is a watch? What is a clock? Let's learn the difference.

Clock v.s. Watch

a clock with a device that can be made to sound at the time set in advance, used to wake someone up.

A digital clock is a type of clock that displays the time digitally (i.e. in numerals or other symbols), as opposed to an analogue clock.

A clock or a timepiece is a device used to measure and indicate time.
We usually hang it on the wall.

A pocket watch (or pocketwatch) is a watch that is made to be carried in a pocket.

a watch that displays the time in numerical digits rather than by hands on a dial.

a mobile device with a touchscreen display, designed to be worn on the wrist.

Hourglass, an early device for measuring intervals of time. It is also known as a sandglass or a log glass. It consists of two pear-shaped bulbs of glass, united at their apexes and having a minute passage