VIDEO: Thieves choke victim unconscious, steal $20K Rolex

LONDON (KABC) -- Terrifying video shows two thieves walk into an office, choke a man until he was unconscious and steal his Rolex watch.

Police in London released video of the attack on Thursday in hopes of catching the suspects.

The video shows two men walk into an office and immediately attack the victim who was sitting in a chair.

One man chokes the victim, while the other repeatedly tries to grab the watch. The victim puts up a fight, attempting to kick one of the thieves off of him, but eventually he loses consciousness.

Police said the watch was worth more than $20,000 and detectives believe the victim was targeted.

The victim did not suffer any serious injuries and did not need medical attention, officials stated.