How is “watch the time” used?

In Unforgiven (1992), one line is: “Quincy used to just watch all the time ...”

Which movie is “watch the time” from?

The clip at the top of this page is from Unforgiven (1992).

Idiom

to be sure that you know what the time is, so that you finish sth at the correct time, or are not late for sth

Heard in 26 movies

to be sure that you know what the time is, so that you finish sth at the correct time, or are not late for sth
I'll have to watch the time. I need to leave early today.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

Quincy used to just watch all the time ...

Said in 8 films · #1