Definition of clock-watcher in English:
 clock-watcher
(also clock watcher)
nounˈklɒkwɒtʃəˈklɑk ˌwɑtʃər
An employee who is overly strict or zealous about not working more than the required hours.
 his lamp burned throughout the night; he was no clock-watcher
 Example sentencesExamples
-  In a nation of clock-watchers, Gustav stood out.
 -  With your information, you'll be able to plea-bargain your way out of it by scapegoating some unsuspecting clock-watcher.
 -  Most working mothers cite improved focus on their work on returning from leave, and are not distracted clock-watchers.
 -  But the anecdotal evidence about the others - the clock-watchers - is piling up.
 -  She was always a true racer, not a clock-watcher.
 -  Their jobs will be taken by sloppy, indifferent clock-watchers.