Njengoba besishilo esihlokweni esandulele, iGreat Westminster Clock iyingxenye yeTower of Westminster futhi abantu abaningi ngokuyiphutha bayikhomba njengeBig Ben, kodwa esihlokweni esifanayo besishilo ukuthi leli gama empeleni lifanele ukuba nalo. imikhaza njalo ngehora elidlulayo.
Ngakho-ke, iGreat Westminster Clock yakhiwe ngezinto ezahlukahlukene, ezibandakanya ubuso behlangothini lewashi, izinsimbi, umbhoshongo, isandla esibeka ihora nezinye, ngasinye salezi zinto ezinesitayela seVistorian Gothic , eyakhiwa ngezitini ezimbozwe ngamatshe, lokhu ngendlela ejwayelekile kakhulu encazelweni.
Ubuso bewashi bunye bungamamitha angama-55 ukuphakama, leli washi lingelinye elikhulu kunawo wonke emhlabeni ngesikhathi lakhiwa. Isandla esimaka ihora silinganisa amamitha angu-2.7, kanti leso esibonisa imizuzu silinganisa amamitha angu-4.3. Zonke lezi zinto zahlelwa embhoshongweni omkhulu, ohlezi kusisekelo samamitha ayi-15 × 15, ngesisindo samathani ayi-8667 okumele asekele lesi sisekelo.
Ukungahambi kahle kwale ndawo kwenza ukuthi umbhoshongo utshekiselwe ohlangothini olusenyakatho-ntshonalanga ngamamilimitha angama-220 nje, into engazange ithinte ngempela inhloso enkulu yalesi sikhumbuzo esikhulu. IGreat Clock yaseWestminster yaqala ukusebenza ngoSepthemba 7, 1859 kuze kube namuhla.