I will watch over you.

Be sure to watch your step when walking on the slippery floor.

Don't be a clock-watcher, you lazy person.

I need to replace the watchband on my wristwatch.

The watchdog barked loudly when it sensed an intruder.

The security guard is a diligent watcher.

I need to take my watch to the watchmaker for repair.

The watchman stood guard at the entrance of the building.

I need to replace the watchstrap on my wristwatch.

The soldiers stood guard on the watchtower.