General term for any device that tells time, including wall clocks, wristwatches, and digital timepieces.
壁に時計が掛けてある。
There is a clock hanging on the wall.
This watch is five minutes slow.
I looked at my watch on the train.
The old clock stopped working.
I set my watch to the time shown on TV.
This clock is five minutes fast.
The clock at the station is a little slow.
Winding the wall clock every night was my grandfather's job.
時計 is the general word for any clock or watch, while 腕時計 specifically means a watch worn on the wrist.
時計 is the physical device (a clock or watch) used to check the time, while 時間 is the abstract concept of time itself, as in 時間がない (I don't have time).
wristwatch; watch
hourglass; sandglass
pocket watch
sundial
cuckoo clock
wall clock; grandfather clock
table clock; desk clock; mantel clock
wall clock
Rarely used kanji form; learners are unlikely to encounter it.
alarm clock
antique clock; old clock
traditional Japanese clock; Edo-period clock
clock tower
clock tower
horology
watch shop; watchmaker
watchmaker; clockmaker
watchmaker; clockmaker
watch shop; watch store; watchmaker's