A distinctive gold watch was among jewellery stolen from a property burgled in Duffield.
Police say the intruders forced their way into the house on Cavendish Close sometime between 8am and 3.30pm on Monday, June 18.
Only a very limited number of the watches exists and anyone who has been offered one should contact police immediately.
A quantity of cash was also stolen during the burglary.
Anyone with information should contact police by using one of the following non-emergency contact methods.
They should also quote the reference number 18000281491 and the name of the officer in the case, PC Tiff Hall, in any correspondence.
Facebook – send a private message to /DerbyshireConstabulary
Twitter – direct message the force’s contact centre on @DerPolContact
Website – complete the online contact form at www.derbyshire.police.uk/Contact-Us.
Phone – call 101.
You can also call Crimestoppers anonymously on 0800 555 111.