Brazen burglars broke into a man’s house while he was on a work call, stealing rings and watches worth thousands of pounds.

Police say the burglary took place at around 4.30pm on March 28 at a house in Muswell Hill.

At least three watches, including a “distinctive” Breitling first edition, and four Korean “baby rings” were stolen.

Four men were said to have entered the house while the victim was on a work call.

Police said that they searched the house, finding a number of high-value items.

When the victim heard noises and came out of his office to confront them, the four men ran out of the house and drove off in a black Mercedes.

Detective Constable Rosie Arbuthnot said the victim “was not harmed” in the incident, and that police are now investigating to try to identify the suspects.

She added: “The Breitling first edition watch is distinctive and has a known serial number, while the baby rings are given as a birth gift for Korean children, so these hold significant personal value to the victim.”

Police said that they believed the crime may be linked to two other incidents on the same day in north west London.

These incidents took place in the N20 postcode area, which includes Oakleigh Park, Whetstone and Totteridge.

The first took place at around 3.45pm, when a number of watches and jewellery were stolen.

The second occurred at around 5pm and no property was stolen. Police said this incident was an attempted robbery where the suspects were spotted entering the garden and quickly ran away.

On both occasions, four men were seen leaving in a black Mercedes.

Anyone with information about the burglary is asked to contact police via 101, quoting 5284/28MAR23.

To remain anonymous, members of the public can call the independent charity Crimestoppers anonymously on 0800 555 111 or visit crimestoppers-uk.org.