
My watch is linked to the atomic CLOCK
in Boulder, Colorado.
The Big Bang Theory Season 1, Episode 10

Guys, you're still on the CLOCK here!
Let's go.
Breaking Bad Season 5, Episode 9

Six fur shops, three CLOCK shops
and the Caja Rural in Avilés.
Money Heist Season 1, Episode 1

couldn't power a potato CLOCK.
The Big Bang Theory Season 10, Episode 12

What do you mean,
running out the CLOCK?
Breaking Bad Season 5, Episode 10