Between 12.20pm and 2.10pm on Tuesday 16th December 2014 offenders forced entry through the back door of the house in Amersham Road, Hazlemere.
Once inside, the offenders stole a Ferrari watch.
Thames Valley Police are appealing for anyone with information that could help with the investigation to please contact Acting Det Sgt Daniel Tucker from High Wycombe police station via the Thames Valley Police Enquiry Centre on 101.
If you don’t want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111. No personal details are taken, information is not traced or recorded and you will not go to court.