Hampshire police said burglars struck at a home in Festing Road, Southsea, between 5.15pm and 6.15pm on Sunday.
Officers said the thieves responsible got in through a window and stole 14 high-value watches.
A Hampshire police spokeswoman said: ‘The rings were an 18 carat gold six piece puzzle ring and a nine carat gold ring with the letters EFC.
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‘Officers investigating the burglary are keen to speak to anyone who may be offered any of these items for sale or who has seen them for sale online.
‘They also want to speak to anyone who may have been in the Festing Road area on Sunday evening and seen anyone acting suspiciously.’
:: Breitling Chronospace watch in Titanium – £2,000
:: Omega Planet Ocean Watch with orange bezel in a box – £2,500
:: Two Dubey and Schaldenbrand watches in their box – £2,000
:: Bremont Martin Baker 2 – £2,650
:: Ball Engineer watch – £1,300
:: Ebel watch – £1,500
:: Rolex Oyster watch – £2,000
:: Corum Bubble watch – £2,000
:: Locman Montecristo watch – £1,000
:: Locman watch – £500
:: Edox watch – £800
:: IWC watch – £2,000
:: Oris Big Crown Pointer watch – £700
:: Casio watch – £150
Call police on 101 quoting 44200204612, or Crimestoppers anonymously on 0800 555 111.