Time Ring Time Rings were small time travel devices created by the Time Lord s . The first Time Rings were worn on the wrist . Later ones were worn on the finger , once Time Rings became more compact . The Time Lords gave the Second Doctor a Time Ring to see that all of the victims of the War Lord s were restored to their proper places in time and space . ( PROSE : " Players " , " World Game " ) The Time Lords gave the Fourth Doctor a Time Ring to return to Nerva Beacon after carrying out a mission to prevent the creation of the Dalek s . ( TV : " Genesis of the Daleks " ) The temporal distortion caused by the Doctor ' s actions on Skaro disrupted the Time Ring , scattering the Doctor and his companions across the Adelphine Cluster . After peace was established in the region , the Time Lords gave the Doctor a new Time Ring . ( PROSE : " A Device of Death " ) When the Doctor and his companions finally returned to Nerva Beacon , the Time Ring disappeared — presumably having been reclaimed by the Time Lords — much to the astonishment of Harry Sullivan , who had wanted to have it as a memento . ( TV : " Revenge of the Cybermen " ) The Seventh Doctor was given time rings by Muldwych to give to Bernice Summerfield and Jason Kane for their wedding ( PROSE : " Happy Endings " ) until Dokien retrieved these wedding rings from Bernice and Jason , as mementos . ( PROSE : " The Collection " ) However , somehow they still had their wedding rings after this point . ( AUDIO : " The Grel Escape " ) During the invasion of Gallifrey by the Knights of Velyshaa , all Time Capsules and Time Rings were rendered useless . ( AUDIO : " The Sirens of Time " ) The Eighth Doctor was given a time ring by Straxus to rescue Lucie Miller from Todd Hulbert . ( AUDIO : " Human Resources " ) Straxus later used one to find the Doctor during the Morbius incident . Lucie stole it from him . ( AUDIO : " Sisters of the Flame " ) The Doctor then tried to use this time ring to escape the Sisterhood of Karn ' s dispersal chamber . ( AUDIO : " The Vengeance of Morbius " ) An old man ( in reality a member of the Great House s fleeing the War ) carried a Time Ring inscribed with Greek - seeming letters and an ouroboros . He used it to travel to Roma I , where he appeared in the busy Roman Forum . Marcus Americanius Scriptor used the " bracelet " to explore the Known Worlds , building the Empire of Empires and leading their war against the Greater German Reich . ( PROSE : " Warlords of Utopia " ) The Tenth Doctor was forced to give an old Time Ring he found in his TARDIS to a Dalek in exchange for it sparing Earth . The Dalek needed Kate Yates , a human controlled by her Dalek Factor to control the Time Ring since he couldn ' t without an actual arm . The Dalek intended to travel to the year 500 , 000 , 000 where the people of Earth are peaceful and know nothing of the Daleks . As the people of that era are peaceful , the Dalek ' s plan is to have Kate get them to give her the raw materials to rebuild the Dalek race which would then attack once finished . Rose Tyler began to reach out to Kate ' s human side who , beginning to regain control , used the Time Ring to put a force field up around the Dalek . After the Doctor and Rose manage to reach the human part of Kate , she uses her Dalek knowledge to set the Time Ring to self - destruct . With it on the Dalek , the Time Ring ' s destruction causes a warp implosion , imploding the Dalek into atoms . The destruction of the Time Ring and the Dalek also caused all the windows in a twenty - mile radius to shatter . ( PROSE : " I Am a Dalek " ) A Time Ring was used by Harmonious 14 Zink to travel through time " righting wrongs " wherever he and his wife went . This Time Ring was used during and after the events on Erratoon by Zink and Zara to aid in her search for the Key to Time . ( AUDIO : " The Prisoner ' s Dilemma " ) After taking the segment of the Key on Mars , Zara took Zink ' s Time Ring from him and used it to travel to Safeplace and to Isskar ' s ship on her own to continue her quest . ( AUDIO : " The Judgement of Isskar " ) She used it again when she was a passenger on the " Eschaton " and during the conflict between the White Guardian and the Black Guardian on Chaos . ( AUDIO : " The Chaos Pool " ) In an alternate universe where the Time Lord s sold their technologies to other races , they gave Time Rings to the Monan Host . ( AUDIO : " Reborn " )