It is currently not running, but housed in the Victoria and Albert Museum in London. Even older is a clock that we couldn’t find any info on that dates from 1620, invented by Cornelius Drebbel.

With body and soul I remain for ever your slave Your devoted Albert on 15 Oct. 1839 Dearest Victoria. I will come to you at precisely 12 o’clock. As far as Ernst is concerned, he does not wish to be ...

which will be on display in the Cartier exhibition opening at the Victoria and Albert Museum.Credit...Cartier Timepieces are on show, including a 1914 Cartier Mystery Clock, crafted in rock ...