Police are appealing for witnesses following a burglary in Chalfont St Peter.
The incident occurred on Thursday 3 October between 7.55pm and 9.05pm on Nortoft Road, where the lock has been broken by the offender to gain access to the rear door, which has been used to enter the property.
The offender stole a Longines watch, Omega watch and £80,000 worth of Asian jewellery.
Investigating officer PC Sophie Starling, said: “I am appealing to anybody who was in the area and who believes they may have witnessed the incident to please get in touch with Thames Valley Police.
“I’d like to hear from anyone who was driving in the area and may have dash-cam footage to contact us, and to anybody who lives in the area and may have CCTV or doorbell footage.
“You can contact us by making a report online or by calling 101, quoting reference 43240476180.
“Alternatively, for anonymity, you can also call the independent charity Crimestoppers on 0800 555 111.”