This is the 2157th most frequent Japanese word.
時計
Clock; watch.
'時計' refers to a personal timepiece, such as a wristwatch, in this context.
私は新しい時計を買いました。
I bought a new watch.
'時計' is used to denote a clock used for room display on the wall.
壁に掛けてある時計が壊れてしまいました。
The clock hanging on the wall broke.
'時計' refers to the clock feature or application on a smartphone.