South Yorkshire Police urge anyone with information to come forward.
Three thieves assaulted the man as they stole Rolex watches from the property.
An 86 year-old man from Rotherham has been left injured following a robbery at his home at around 3am on Thursday 21 July.
He was assaulted by one of the men leaving him injured, before the men robbed valuable Rolex watches from them victim.
A stolen Blue Audi SQ5 is thought to be linked to the robbery, with a blue Vauxhall Corsa being linked to the stolen vehicle.
Anyone who saw anything suspicious around Manor Road in Wales is urged to come forward to the police.
