like clockwork

Idioms  

1. Also, regular as clockwork. With extreme regularity, as in Ruth arrives every Wednesday morning just like clockwork, or You can count on his schedule, which is regular as clockwork, or Their assembly line runs like clockwork. This idiom alludes to the mechanical and therefore very regular action of a clock. [Second half of 1600s]

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Example Sentences

With everything working like clockwork, he's clearly run out of things to complain about.

From BBC

The now-iconic scene, notably from Walt Disney’s 1955 animated classic “Lady and the Tramp,” remains one of the most timeless cinematic moments of romance, often referenced like clockwork every Valentine’s Day.

From Salon

Rashawn was doing a lot better than he expected, but every thirty minutes, like clockwork, she froze and burst into tears.

From Literature

Much of the spice’s charm is overshadowed by an ever-popular pumpkin spice craze, which peaks like clockwork at the start of autumn.

From Salon

“I don’t know what magic dust they sprinkled across the group, but since then, things have gone like clockwork,” Hunter said.

From The Wall Street Journal