Police have launched an appeal after the watch, similar to the one pictured, was stolen between 5pm and 9.30pm on January 12.
Burglars broke in through the door of a property in College Street.
Once inside they stole jewellery including a lady’s stainless steel Rolex watch with a serial number of P926151 and a model number of 79174.
A police spokesman said: "Witnesses or anyone with information should call Northamptonshire Police in 101."